Question

Consider the equation, (x^m)^3 = (x^13)^5 x (x^-8)^-5

The value of m is:

A 15
B 28
C 35
D 70

Answer 1

(x^13)^5 * (x^-8)^-5
= x^65 * x ^40

= x^105

So m*3 = 105 and m = 35

Its C

Answer 2

(x^35)^3 = (x^13)^5 x (x^-8)^-5
x^105 = x^65 x^40
x^105 = x^105
answer
C 35