Question

(5×a)^b=5^3×7^3
pls help me friends!!!!!!!!!!!!!!!!!​

Answer 1

LHS=

${(5a)}^{b} \\ = {5}^{b} \times {a}^{b}$

RHS=

${5}^{3} \times {7}^{3}$

Equating and comparing LHS and RHS we get

b= 3

a= 7