(x + 1) is a factor of xn + 1 only ifA. n is an odd integer B. n is – InterviewSolution

1.

(x + 1) is a factor of xn + 1 only ifA. n is an odd integer B. n is an even integer C. n is a negative integer D. n is a positive integer

Answer»

Let f (x) = xⁿ +1

Since, x + 1 is a factor of f (x), so f (-1) = 9

Thus,

n is an odd integer.

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