Question

Which of the following numbers will completely divide (49¹⁵ - 1) ?
a) 8
b) 14
c) 46
d) 50​

Answer 1

Answer:

Answer: Option A

Explanation:

(xn - 1) will be divisibly by (x + 1) only when n is even.

(4915 - 1) = {(72)15 - 1} = (730 - 1), which is divisible by (7 +1), i.e., 8.

Step-by-step explanation:

Answer 2

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