Question

simplifique a expressão (a×b)3×b7×(a3)2
______________
b3×a5

Answer 1

$\frac{(a*b)^{3}*b7*(a^{3})^{2}}{b^{3} * a^{5}} \\\\ \frac{a^{9} * b^{10}}{b^{3} * a^{5}}$

fica

a^9 - a^5 = a^4

b^10 - b^3 = b^7

a^4 * b^7