Trigonometry Examples

$z^{(\frac{2}{5}) - 2 z^{(\frac{1}{5}) + 1}}$

Step 1

Write $1$ as a fraction with a common denominator.

$z^{\frac{2}{5} - 2 z^{\frac{1}{5} + \frac{5}{5}}}$

Step 2

Combine the numerators over the common denominator.

$z^{\frac{2}{5} - 2 z^{\frac{1 + 5}{5}}}$

Step 3

Add $1$ and $5$ .

$z^{\frac{2}{5} - 2 z^{\frac{6}{5}}}$