Question

simplifique a expressão (a.b)³.b^7.(a³)²/(b.a)¹°

Answer 1

$\frac{(a.b)^{3}b^{7}.(a^{3})^{2}}{(b.a)^{10}} = \frac{(a^{3}.b^{3}).b^{7}.a^{6}}{b^{10}.a^{10}} = \frac{a^{9}.b^{10}}{b^{10}a^{10}}= \frac{a^{9}}{a^{10}}= \frac{1}{a} =a^{-1}$

Espero ter ajudado.