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Q.The sum ∑k=1nk(k+1)(k+2)\sum_{k=1}^{n} k(k+1)(k+2) equals

a
n(n+1)(n+2)(n+3)4\frac{n(n+1)(n+2)(n+3)}{4}
b
n(n+1)(n+2)(n+3)4\frac{n(n+1)(n+2)(n+3)}{4}
c
n(n+1)(n+2)(n+3)(n+4)5\frac{n(n+1)(n+2)(n+3)(n+4)}{5}
d
none

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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