Question

Find x if log2 x + log4 x= 2​

Answer 1

Answer:

$log(8 {x}^{2} ) = 2 \\ \\ 8 {x}^{2} = {10}^{2} \\ \\ x = \frac{10}{2 \sqrt{2} } = \frac{5}{ \sqrt{2 } } \\ \\ x = - \frac{5}{ \sqrt{2} }$