Precalculus Examples

$u^{\frac{5}{3}} u^{\frac{2}{3}}$

Step 1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$u^{\frac{5}{3} + \frac{2}{3}}$

Step 2

Combine the numerators over the common denominator.

$u^{\frac{5 + 2}{3}}$

Step 3

Add $5$ and $2$ .

$u^{\frac{7}{3}}$