If n is a number such that (-8)2n = 28+2n, then n=

If n is a number such that (-8)2n = 28+2n, then n=

A 3/2

B -2

C 4

D 5

Solution

Correct Answer: Option B

(-8)2n = 28 - 2n

or, -16n = 28 - 2n

or, - 16n + 2n = 28

or, - 14n = 28

or, n = -2