Question

If 7^10 + 1 is divisible by N. Then which of the following is also divisible by N:

a) 7^20 + 1
b) 7^16 + 1
c) 7^30 + 1
d) None of these​

Answer 1

Answer:

Option D

None of these

Step-by-step explanation:

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Answer 2

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Option (D is the correct answer