Prove that: nC1+ 2 nC2 + 3 nC3 + + n nCn = n 2n - Maths - Binomial Theorem

Question

Prove that: nC1+ 2 nC2 + 3
nC3 + + ​n
nCn = n 2n

Lovina Kansal · Accepted Answer

Kindly refer the similar link for your query

https://www meritnation
com/ask-answer/question/prove-thatnc0-2-nc1-3-nc2-n-1-ncn-n-2-2/binomial-theorem/9829523
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Prove that: nC1+ 2. nC2 + 3. nC3 +...+ ​n.nCn = n.2n