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JEE Main Mathematics question

MathematicsBinomial TheoremJEE Main

{}^nC_0-\frac12\,{}^nC_1+\frac13\,{}^nC_2-\ldots+(-1)^n\frac{{}^nC_n}{n+1} is equal to

Answer: (C)

Solution

Integrate from to : . Term by term, the integral is

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Question ID VK-021142