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Question

Let f(n)=∣ ∣ ∣nn+1n+2nPnn+1Pn+1n+1Pn+2nCnn+1Cn+1n+1Cn+2∣ ∣ ∣
Then, f(n) is divisible by


A

n2+n+1

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B

(n+1)!

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C

n!

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D

none of these

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