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3^(6n) + 4^(6n) is necessarily divisible...

`3^(6n) + 4^(6n)` is necessarily divisible by 25 when :

A

n is an even integer

B

n is an odd integer

C

only n is a prime

D

`n ge 6, n epsilon I^+`

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The correct Answer is:
B
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QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
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