Question

Fin the value of $x$ : $64-\frac{1}{x^2}=0$

Answer 1

$x\Rightarrow 64-\frac{1}{x^2}=0$

$\frac{1}{x^2}=64.\Rightarrow \frac{1}{64}=x^2$

$x=\pm \sqrt{\frac{1}{64}}\Rightarrow x=\pm \frac{1}{8}$