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Sigma(k=1 to n)(k( n C k ) 2 )..... please explain................

Sigma(k=1 to n)(k(nCk)2).....


please explain................

Grade:12

2 Answers

APURV GOEL
39 Points
10 years ago

A

SIVA BEHARA
31 Points
10 years ago

how i can know the answer?

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