potega-displaystyle-left-fracab-right-5-gdzie-a-i-b-sa

A)

$\displaystyle -5 \cdot \frac{a}{b}$ \displaystyle -5 \cdot \frac{a}{b}

B)

$\displaystyle \left( \frac{b}{a} \right)^5$ \displaystyle \left( \frac{b}{a} \right)^5

C)

$\displaystyle \frac{b^5}{a}$ \displaystyle \frac{b^5}{a}

D)

$\displaystyle -\left( \frac{a}{b} \right)^5$ \displaystyle -\left( \frac{a}{b} \right)^5