Question
Show that $x$ is irrational, if $x^2 = 0.009.$

Answer

$x^2=0.009$
$x=\sqrt{\frac{9}{1000}}$
$x=\frac{3}{10 \sqrt{10}}$
It is a irrational.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free