Are the proportions true or false?

a) [[$ \displaystyle\frac {\sqrt{3}} {\displaystyle\frac{1} {2}} = \displaystyle\frac {6} {\sqrt{3}} $]]



The proportion is true false.

b) [[$ \displaystyle\frac {2} {\sqrt{2}} = \displaystyle\frac {\sqrt{50}} {10} $]]



The proportion is true false.

c) [[$ \displaystyle\frac {\sqrt{10}} {5} = \displaystyle\frac {2} {\sqrt{10}} $]]



The proportion is true false.