3/08. Exercise 8.07 Jaa Sulje Kirjaudu sisään lähettääksesi tämän lomakkeen Is the rational expression defined at [[$ x = 1 $]]? a) [[$ \displaystyle\frac {2x - 1} {3} $]] Answer: The rational expression is is not defined at [[$ x = 1 $]] b) [[$ \displaystyle\frac {5} {x - 1} $]] Answer: The rational expression is is not defined at [[$ x = 1 $]] c) [[$ \displaystyle\frac {x - 1} {2x} $]] Answer: The rational expression is is not defined at [[$ x = 1 $]] d) [[$ \displaystyle\frac {x} {x^2 + x - 2} $]] Answer: The rational expression is is not defined at [[$ x = 1 $]] Kirjaudu sisään lähettääksesi tämän lomakkeen
