Student: (y^n - b^n) is completely divisible by (y - b), when\nOptions:\n(A) n is odd natural number\n(B) n is even natural number\n(C) n is any natural number\n(D) n is prime\n(E) None.
Another student: Let's say, hmmm...

User
For every natural number n, (y^n - b^n) is completely divisible by (y - b). Final answer: (C).
Assistant