Question

(7) (-1)^n + (-1)^8n =0 when n is

Answer 1

Answer:

(-1)n + (-1)8n = 0 when n is

We have - 1 n + - 1 8 n = 0 ⇒ - 1 n + - 1 8 n = 0 As , x m n = x mn. Therefore ; - 1 n + - 1 8 n = 0 when n is an odd number .

Answer 2

Answer:

Any odd natural number

Step-by-step explanation:

Put n=1 i.e odd