Question

Să se calculeze :
X = a la puterea -5/6 -a la puterea - 1/3 • b la puterea 1/3 - b la puterea 5/6

Answer 1

$\it \dfrac{\ \ a^{-5}}{6} -\dfrac{a^{-1}}{3}\cdot\dfrac{b^1}{3} -\dfrac{b^5}{6}= \dfrac{1}{6a^5} -\dfrac{b}{9a}-\dfrac{b^5}{6}$