Question

please answer this question ​

Answer 1

Answer:

6

Step-by-step explanation:

When n=1, n(n^2+2) which is obviously divisible by 2. Assume when n=k, that is k^2+2 divisible by 2. From our assumption, k^2+2 is divisible by 2 and so the whole expression is divisible by 2 and in these options (2 doesn't exist) only 6 is divisible by 2, rest all are odd numbers and are not divisible by 2. so the answer is 6.

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