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<title>1.2 Rationaaliyhtälö ja -epäyhtälö</title>
<id>https://peda.net/id/deaf4648dde</id>
<updated>2019-09-23T12:52:35+03:00</updated>
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<rights type="html">&lt;div class=&quot;license&quot;&gt;Tämän sivun lisenssi &lt;a rel=&quot;license&quot; href=&quot;https://peda.net/info&quot;&gt;Peda.net-yleislisenssi&lt;/a&gt;&lt;/div&gt;&#10;</rights>

<entry>
<title>124</title>
<id>https://peda.net/id/e62c05c6df6</id>
<updated>2019-09-25T09:53:09+03:00</updated>
<link href="https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/124#top" />
<content type="html">&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=m%C3%A4%C3%A4rittelyehto%3A%5C%20x-3%5Cne0&quot; alt=&quot;määrittelyehto:\ x-3\ne0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%5Cne3&quot; alt=&quot;x\ne3&quot;/&gt;&lt;!--filtered attribute: style=&quot;display: inline;&quot;--&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=nollakohdat%3A%5C%204-x%5E2%3D0&quot; alt=&quot;nollakohdat:\ 4-x^2=0&quot;/&gt;&lt;/div&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%5E2%3D4&quot; alt=&quot;x^2=4&quot;/&gt;&lt;br/&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%3D-2%5C%20tai%5C%202&quot; alt=&quot;x=-2\ tai\ 2&quot;/&gt;&lt;/div&gt;&#10;&lt;div&gt;b)&lt;/div&gt;&#10;&lt;div&gt;&lt;a href=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/124/sieppaa-png#top&quot; title=&quot;Sieppaa.PNG&quot;&gt;&lt;img src=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/124/sieppaa-png:file/photo/91567070cab58e8c948384259e6adbf9367c852e/Sieppaa.PNG&quot; alt=&quot;&quot; title=&quot;Sieppaa.PNG&quot; class=&quot;inline&quot; loading=&quot;lazy&quot;/&gt;&lt;/a&gt;&lt;/div&gt;&#10;&lt;div&gt;merkkikaavio:&lt;/div&gt;&#10;&lt;div&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cbegin%7Bmatrix%7D%0A%26%26-2%26%262%26%263%26%5C%5C%0A4-x%5E2%26-%26%26%2B%26%26-%26%26-%5C%5C%0Ax-3%26-%26%26-%26%26-%26%26%2B%5C%5C%0A%5Cfrac%7B4-x%5E2%7D%7Bx-3%7D%26%2B%26%26-%26%26%2B%26%26-%0A%5Cend%7Bmatrix%7D&quot; alt=&quot;\begin{matrix}&amp;#10;&amp;amp;&amp;amp;-2&amp;amp;&amp;amp;2&amp;amp;&amp;amp;3&amp;amp;\\&amp;#10;4-x^2&amp;amp;-&amp;amp;&amp;amp;+&amp;amp;&amp;amp;-&amp;amp;&amp;amp;-\\&amp;#10;x-3&amp;amp;-&amp;amp;&amp;amp;-&amp;amp;&amp;amp;-&amp;amp;&amp;amp;+\\&amp;#10;\frac{4-x^2}{x-3}&amp;amp;+&amp;amp;&amp;amp;-&amp;amp;&amp;amp;+&amp;amp;&amp;amp;-&amp;#10;\end{matrix}&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=f%5Cleft(x%5Cright)%5C%20on%5C%20positiivinen%5C%20kun%5C%20x%3C-2%5C%20tai%5C%202%3Cx%3C3&quot; alt=&quot;f\left(x\right)\ on\ positiivinen\ kun\ x&amp;lt;-2\ tai\ 2&amp;lt;x&amp;lt;3&quot;/&gt;&lt;/div&gt;&#10;&lt;/div&gt;&#10;</content>
<published>2019-09-25T09:51:28+03:00</published>
</entry>

<entry>
<title>135</title>
<id>https://peda.net/id/ca3b85a4df5</id>
<updated>2019-09-25T09:43:55+03:00</updated>
<link href="https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/135#top" />
<content type="html">a) tosi, etumerkin muutos voi tapahtua myös määrittelemättömän kohdan eri puolilla&lt;br/&gt;&#10;b) epätosi, nollakohdassa y=0</content>
<published>2019-09-25T09:43:31+03:00</published>
</entry>

<entry>
<title>133</title>
<id>https://peda.net/id/52e60006df5</id>
<updated>2019-09-25T09:41:45+03:00</updated>
<link href="https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/133#top" />
<content type="html">&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7B1%7D%7Bx%5E2%7D%2Bx%3E0&quot; alt=&quot;\frac{1}{x^2}+x&amp;gt;0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7Bx%2B1%7D%7Bx%5E2%2B1%7D%3E0&quot; alt=&quot;\frac{x+1}{x^2+1}&amp;gt;0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7B1%7D%7Bx%7D%3E0&quot; alt=&quot;\frac{1}{x}&amp;gt;0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=m%C3%A4%C3%A4rittelyehto%3A%5C%20x%5Cne0&quot; alt=&quot;määrittelyehto:\ x\ne0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=nollakohtia%5C%20ei%5C%20ole&quot; alt=&quot;nollakohtia\ ei\ ole&quot;/&gt;&lt;br/&gt;&#10;&lt;div&gt; &lt;/div&gt;&#10;&lt;div&gt;&lt;a href=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/133/sieppaa-png#top&quot; title=&quot;Sieppaa.PNG&quot;&gt;&lt;img src=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/133/sieppaa-png:file/photo/f1c463d43be959954da21d5d3031eb2420e683e9/Sieppaa.PNG&quot; alt=&quot;&quot; title=&quot;Sieppaa.PNG&quot; class=&quot;inline&quot; loading=&quot;lazy&quot;/&gt;&lt;/a&gt;&lt;br/&gt;&#10;&lt;br/&gt;&#10;merkkikaavio&lt;br/&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cbegin%7Bmatrix%7D%0A%26%260%26%5C%5C%0A1%26%2B%26%26%2B%5C%5C%0Ax%26-%26%26%2B%5C%5C%0A%5Cfrac%7B1%7D%7Bx%7D%26-%26%26%2B%0A%5Cend%7Bmatrix%7D&quot; alt=&quot;\begin{matrix}&amp;#10;&amp;amp;&amp;amp;0&amp;amp;\\&amp;#10;1&amp;amp;+&amp;amp;&amp;amp;+\\&amp;#10;x&amp;amp;-&amp;amp;&amp;amp;+\\&amp;#10;\frac{1}{x}&amp;amp;-&amp;amp;&amp;amp;+&amp;#10;\end{matrix}&quot;/&gt;&lt;/div&gt;&#10;&lt;div&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7B1%7D%7Bx%5E2%7D%2Bx%3E0%7B%2C%7D%5C%20kun%5C%20x%3E0&quot; alt=&quot;\frac{1}{x^2}+x&amp;gt;0{,}\ kun\ x&amp;gt;0&quot;/&gt;&lt;/div&gt;&#10;&lt;/div&gt;&#10;</content>
<published>2019-09-25T09:40:11+03:00</published>
</entry>

<entry>
<title>131</title>
<id>https://peda.net/id/c25c4108df5</id>
<updated>2019-09-25T09:36:09+03:00</updated>
<link href="https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/131#top" />
<content type="html">a)&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=f%5Cleft(x%5Cright)%3D%5Cfrac%7B1%7D%7Bx-1%7D&quot; alt=&quot;f\left(x\right)=\frac{1}{x-1}&quot;/&gt;&lt;br/&gt;&#10;b)&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=f%5Cleft(x%5Cright)%3D%5Cfrac%7Bx-2%7D%7Bx-1%7D&quot; alt=&quot;f\left(x\right)=\frac{x-2}{x-1}&quot;/&gt;</content>
<published>2019-09-25T09:36:09+03:00</published>
</entry>

<entry>
<title>129</title>
<id>https://peda.net/id/6cd15558df5</id>
<updated>2019-09-25T09:31:30+03:00</updated>
<link href="https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/129#top" />
<content type="html">a)&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=m%C3%A4%C3%A4rittelyehto%3A%5C%20x%5E2-4%5Cne0&quot; alt=&quot;määrittelyehto:\ x^2-4\ne0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%5E2%5Cne4&quot; alt=&quot;x^2\ne4&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%5Cne2%5C%20tai%5C%20x%5Cne-2&quot; alt=&quot;x\ne2\ tai\ x\ne-2&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=nollakohdat%3A%5C%203x-6%3D0&quot; alt=&quot;nollakohdat:\ 3x-6=0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=3x%3D6&quot; alt=&quot;3x=6&quot;/&gt;&lt;br/&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%3D2%7B%2C%7D%5C%20sivuutetaan%5C%20koska%5C%20m%C3%A4%C3%A4rittelyehto&quot; alt=&quot;x=2{,}\ sivuutetaan\ koska\ määrittelyehto&quot;/&gt;&lt;!--filtered attribute: style=&quot;display: inline;&quot;--&gt;&lt;br/&gt;&#10;&lt;br/&gt;&#10;&lt;a href=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/129/sieppaa-png3#top&quot; title=&quot;Sieppaa.PNG&quot;&gt;&lt;img src=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/129/sieppaa-png3:file/photo/b1fbc15452617af6781e37412a6ed5a4584ebbdc/Sieppaa.PNG&quot; alt=&quot;&quot; title=&quot;Sieppaa.PNG&quot; class=&quot;inline&quot; loading=&quot;lazy&quot;/&gt;&lt;/a&gt;&lt;/div&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=merkkikaavio&quot; alt=&quot;merkkikaavio&quot;/&gt;&lt;/div&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cbegin%7Bmatrix%7D%0A%26%26-2%26%262%26%5C%5C%0Ax%5E2-4%26%2B%26%26-%26%26%2B%5C%5C%0A3x-6%26-%26%26-%26%26%2B%5C%5C%0A%5Cfrac%7B3x-6%7D%7Bx%5E2-4%7D%26-%26%26%2B%26%26%2B%0A%5Cend%7Bmatrix%7D&quot; alt=&quot;\begin{matrix}&amp;#10;&amp;amp;&amp;amp;-2&amp;amp;&amp;amp;2&amp;amp;\\&amp;#10;x^2-4&amp;amp;+&amp;amp;&amp;amp;-&amp;amp;&amp;amp;+\\&amp;#10;3x-6&amp;amp;-&amp;amp;&amp;amp;-&amp;amp;&amp;amp;+\\&amp;#10;\frac{3x-6}{x^2-4}&amp;amp;-&amp;amp;&amp;amp;+&amp;amp;&amp;amp;+&amp;#10;\end{matrix}&quot;/&gt;&lt;/div&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=piirret%C3%A4%C3%A4n%5C%20kuvaaja&quot; alt=&quot;piirretään\ kuvaaja&quot;/&gt;&lt;!--filtered attribute: style=&quot;display: inline;&quot;--&gt;&lt;/div&gt;&#10;&lt;a href=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/129/sieppaa-png#top&quot; title=&quot;Sieppaa.PNG&quot;&gt;&lt;img src=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/129/sieppaa-png:file/photo/4537a8997d6460717ddd87007b87a1e1972ed19d/Sieppaa.PNG&quot; alt=&quot;&quot; title=&quot;Sieppaa.PNG&quot; class=&quot;inline&quot; loading=&quot;lazy&quot;/&gt;&lt;/a&gt;&lt;br/&gt;&#10;b)&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=m%C3%A4%C3%A4rittelyehto%3A%5C%201-2x%5Cne0&quot; alt=&quot;määrittelyehto:\ 1-2x\ne0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%5Cne%5Cfrac%7B1%7D%7B2%7D&quot; alt=&quot;x\ne\frac{1}{2}&quot;/&gt;&lt;br/&gt;&#10;&lt;div&gt;muokataan epäyhtälöä&lt;/div&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7Bx%7D%7B1-2x%7D%3C1&quot; alt=&quot;\frac{x}{1-2x}&amp;lt;1&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7Bx%7D%7B1-2x%7D-%5Cfrac%7B1-2x%7D%7B1-2x%7D%3C0&quot; alt=&quot;\frac{x}{1-2x}-\frac{1-2x}{1-2x}&amp;lt;0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7Bx-%5Cleft(1-2x%5Cright)%7D%7B1-2x%7D%3C0&quot; alt=&quot;\frac{x-\left(1-2x\right)}{1-2x}&amp;lt;0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7B3x-1%7D%7B1-2x%7D%3C0&quot; alt=&quot;\frac{3x-1}{1-2x}&amp;lt;0&quot;/&gt;&lt;br/&gt;&#10;nollakohdat:&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=3x-1%3D0&quot; alt=&quot;3x-1=0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%3D%5Cfrac%7B1%7D%7B3%7D&quot; alt=&quot;x=\frac{1}{3}&quot;/&gt;&lt;br/&gt;&#10;&lt;br/&gt;&#10;&lt;a href=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/129/sieppaa-png9#top&quot; title=&quot;Sieppaa.PNG&quot;&gt;&lt;img src=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/129/sieppaa-png9:file/photo/aea60afd4cce37a13ba5e0c8835516bb33b2801c/Sieppaa.PNG&quot; alt=&quot;&quot; title=&quot;Sieppaa.PNG&quot; class=&quot;inline&quot; loading=&quot;lazy&quot;/&gt;&lt;/a&gt;&lt;/div&gt;&#10;&lt;div&gt;merkkikaaviolol:&lt;/div&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cbegin%7Bmatrix%7D%0A%26%26%5Cfrac%7B1%7D%7B2%7D%26%26%5Cfrac%7B1%7D%7B3%7D%26%5C%5C%0A3x-1%26-%26%26-%26%26%2B%5C%5C%0A1-2x%26%2B%26%26-%26%26-%5C%5C%0A%5Cfrac%7B3x-1%7D%7B1-2x%7D%26-%26%26%2B%26%26-%0A%5Cend%7Bmatrix%7D&quot; alt=&quot;\begin{matrix}&amp;#10;&amp;amp;&amp;amp;\frac{1}{2}&amp;amp;&amp;amp;\frac{1}{3}&amp;amp;\\&amp;#10;3x-1&amp;amp;-&amp;amp;&amp;amp;-&amp;amp;&amp;amp;+\\&amp;#10;1-2x&amp;amp;+&amp;amp;&amp;amp;-&amp;amp;&amp;amp;-\\&amp;#10;\frac{3x-1}{1-2x}&amp;amp;-&amp;amp;&amp;amp;+&amp;amp;&amp;amp;-&amp;#10;\end{matrix}&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7Bx%7D%7B1-2x%7D%3C1%7B%2C%7D%5C%20kun%5C%20x%3C%5Cfrac%7B1%7D%7B2%7Dtai%5C%20x%3E%5Cfrac%7B1%7D%7B3%7D&quot; alt=&quot;\frac{x}{1-2x}&amp;lt;1{,}\ kun\ x&amp;lt;\frac{1}{2}tai\ x&amp;gt;\frac{1}{3}&quot;/&gt;&lt;/div&gt;&#10;</content>
<published>2019-09-25T08:50:48+03:00</published>
</entry>

<entry>
<title>125</title>
<id>https://peda.net/id/3f4d99ccddf</id>
<updated>2019-09-23T14:14:02+03:00</updated>
<link href="https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/125#top" />
<content type="html">a)&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7B7x-3%7D%7B2x%2B3%7D%3D0&quot; alt=&quot;\frac{7x-3}{2x+3}=0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=7x-3%3D0%7B%2C%7D%5C%20x%5Cne-%5Cfrac%7B3%7D%7B2%7D&quot; alt=&quot;7x-3=0{,}\ x\ne-\frac{3}{2}&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%3D%5Cfrac%7B7%7D%7B3%7D&quot; alt=&quot;x=\frac{7}{3}&quot;/&gt;&lt;br/&gt;&#10;b)&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7Bx%5E2-1%7D%7B1-x%7D%3D0&quot; alt=&quot;\frac{x^2-1}{1-x}=0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%5E2-1%3D0%7B%2C%7D%5C%20x%5Cne1&quot; alt=&quot;x^2-1=0{,}\ x\ne1&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%5E2%3D1&quot; alt=&quot;x^2=1&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%3D1%5C%20tai%5C%20-1&quot; alt=&quot;x=1\ tai\ -1&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%3D-1%7B%2C%7D%5C%20koska%5C%20x%5Cne1&quot; alt=&quot;x=-1{,}\ koska\ x\ne1&quot;/&gt;</content>
<published>2019-09-23T14:14:02+03:00</published>
</entry>

<entry>
<title>123</title>
<id>https://peda.net/id/93cbde8eddf</id>
<updated>2019-09-23T14:10:35+03:00</updated>
<link href="https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/123#top" />
<content type="html">a)&lt;br/&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=f%5Cleft(x%5Cright)%3D%5Cfrac%7B1-x%7D%7Bx-2%7D&quot; alt=&quot;f\left(x\right)=\frac{1-x}{x-2}&quot;/&gt;&lt;/div&gt;&#10;&lt;div&gt;määrittelyehto: &lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%5Cne2&quot; alt=&quot;x\ne2&quot;/&gt;&lt;/div&gt;&#10;&lt;div&gt;nollakohta: &lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=1-x%3D0&quot; alt=&quot;1-x=0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=-x%3D-1&quot; alt=&quot;-x=-1&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%3D1&quot; alt=&quot;x=1&quot;/&gt;&lt;!--filtered attribute: style=&quot;display: inline;&quot;--&gt;&lt;/div&gt;&#10;&lt;div&gt;b)&lt;br/&gt;&#10;&lt;a href=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/123/sieppaa-png#top&quot; title=&quot;Sieppaa.PNG&quot;&gt;&lt;img src=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/123/sieppaa-png:file/photo/1dfd397080848df4fe1d986e25be6e15bcdf2543/Sieppaa.PNG&quot; alt=&quot;&quot; title=&quot;Sieppaa.PNG&quot; class=&quot;inline&quot; loading=&quot;lazy&quot;/&gt;&lt;/a&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=%5Cbegin%7Bmatrix%7D%0A%26%261%26%262%26%5C%5C%0A1-x%26%2B%26%26-%26%26-%5C%5C%0Ax-2%26-%26%26-%26%26%2B%5C%5C%0A%5Cfrac%7B1-x%7D%7Bx-2%7D%26-%26%26%2B%26%26-%0A%5Cend%7Bmatrix%7D&quot; alt=&quot;\begin{matrix}&amp;#10;&amp;amp;&amp;amp;1&amp;amp;&amp;amp;2&amp;amp;\\&amp;#10;1-x&amp;amp;+&amp;amp;&amp;amp;-&amp;amp;&amp;amp;-\\&amp;#10;x-2&amp;amp;-&amp;amp;&amp;amp;-&amp;amp;&amp;amp;+\\&amp;#10;\frac{1-x}{x-2}&amp;amp;-&amp;amp;&amp;amp;+&amp;amp;&amp;amp;-&amp;#10;\end{matrix}&quot;/&gt;&lt;br/&gt;&#10;c)&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=funktion%5C%20arvo%5C%20on%5C%20positiivinen%5C%20v%C3%A4lill%C3%A4%5C%201%3Cx%3C2&quot; alt=&quot;funktion\ arvo\ on\ positiivinen\ välillä\ 1&amp;lt;x&amp;lt;2&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=funktion%5C%20arvo%5C%20on%5C%20negatiivinen%5C%20kun%5C%20x%3C1%5C%20tai%5C%202%3Cx&quot; alt=&quot;funktion\ arvo\ on\ negatiivinen\ kun\ x&amp;lt;1\ tai\ 2&amp;lt;x&quot;/&gt;&lt;br/&gt;&#10;&lt;br/&gt;&#10;d)&lt;br/&gt;&#10;&lt;a href=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/123/sieppaa-png2#top&quot; title=&quot;Sieppaa.PNG&quot;&gt;&lt;img src=&quot;https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/123/sieppaa-png2:file/photo/0192c6495d9200988704c11eb64aa98ad6a41751/Sieppaa.PNG&quot; alt=&quot;&quot; title=&quot;Sieppaa.PNG&quot; class=&quot;inline&quot; loading=&quot;lazy&quot;/&gt;&lt;/a&gt;&lt;/div&gt;&#10;</content>
<published>2019-09-23T14:02:04+03:00</published>
</entry>

<entry>
<title>122</title>
<id>https://peda.net/id/cfa6cd30dde</id>
<updated>2019-09-23T13:49:26+03:00</updated>
<link href="https://peda.net/p/oskari.lahtinen/maa6p-derivaatta/1rje/122#top" />
<content type="html">a)&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=m%C3%A4%C3%A4rittelyehto%3A%5C%20x%5Cne-3&quot; alt=&quot;määrittelyehto:\ x\ne-3&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=nollakohta%3A&quot; alt=&quot;nollakohta:&quot;/&gt;&lt;!--filtered attribute: style=&quot;display: inline;&quot;--&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=3x-5%3D0&quot; alt=&quot;3x-5=0&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=3x%3D5&quot; alt=&quot;3x=5&quot;/&gt;&lt;br/&gt;&#10;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=x%3D%5Cfrac%7B3%7D%7B5%7D&quot; alt=&quot;x=\frac{3}{5}&quot;/&gt;&lt;br/&gt;&#10;b)&lt;br/&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=funktio%5C%20on%5C%20positiivinen%5C%20kun%5C%20x%3E%5Cfrac%7B5%7D%7B3%7D&quot; alt=&quot;funktio\ on\ positiivinen\ kun\ x&amp;gt;\frac{5}{3}&quot;/&gt;&lt;/div&gt;&#10;&lt;div&gt;&lt;img src=&quot;https://math-demo.abitti.fi/math.svg?latex=funktio%5C%20on%5C%20negatiivinen%5C%20kun%5C%20x%3C%5C%20%5Cfrac%7B5%7D%7B3%7D&quot; alt=&quot;funktio\ on\ negatiivinen\ kun\ x&amp;lt;\ \frac{5}{3}&quot;/&gt;&lt;/div&gt;&#10;</content>
<published>2019-09-23T13:49:26+03:00</published>
</entry>


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