Question

If (x power n + y power n) is divisible by (x+y) then n is

Answer 1

Answer:

Step-by-step explanation:

x^n + y^n will be divisible by (x + y) provided n is odd.

It won't be divisible if n is even.

As a matter of fact, the complete formula would be:

xn+yn=(x+y)(xn−1−xn−2∗y+xn−3∗y2......+yn−1)