Question

I need to know the answer to this edmentum question.

Answer 1

Solution

$x^{\frac{9}{7}}=x^{1+\frac{2}{7}}=x^1\times x^{\frac{2}{7}}$

Solving on;

$Since\text{ }x^{\frac{a}{b}}=\sqrt[b]{x^a}$

Then,

$x^{\frac{9}{7}}=x\times\sqrt[7]{x^2}=x\sqrt[7]{x^2}$