Question

Solve: $\frac{98}{121}{x}^2=\frac{1}{2}$

Answer 1

$\frac{98}{121}{x}^2=\frac{1}{2}$

$\Rightarrow x^2=\frac{121}{98\times 2}\Rightarrow \frac{121}{196}$

$\Rightarrow x=\pm \frac{11}{14}$