Let f(n)=k=1∑nk2(nCk)2, then the value of f(5) is equal to

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Question

Let $f (n) = k = 1 \sum n k^{2} (^{n} C_{k})^{2}$ , then the value of $f (5)$ is equal to

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Let

f (n) = k = 1 \sum n k^{2} (^{n} C_{k})^{2}

, then the value of

f (5)

is equal to

14 mins ago

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14 mins ago

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Question Text

Let

f (n) = k = 1 \sum n k^{2} (^{n} C_{k})^{2}

, then the value of

f (5)

is equal to