Question

Find the values of x in each of the following :
1) $\frac{log144}{log12}$ = log x

Answer 1

$\frac{log144}{log12}=logx$

$\Rightarrow \frac{{log12}^2}{log12}=logx$

$\Rightarrow \frac{2log12}{log12}=logx$

$\Rightarrow 2=logx$

$x={10}^2=100$