Precalculus Examples

$a^{\frac{4}{7}} \cdot b^{- \frac{4}{7}}$

Step 1

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$a^{\frac{4}{7}} \cdot \frac{1}{b^{\frac{4}{7}}}$

Step 2

Combine $a^{\frac{4}{7}}$ and $\frac{1}{b^{\frac{4}{7}}}$ .

$\frac{a^{\frac{4}{7}}}{b^{\frac{4}{7}}}$