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Q.The value of r=0n(nr)(1)rr+1\sum_{r=0}^{n} \binom{n}{r} \dfrac{(-1)^r}{r+1} is

a
1n+1\dfrac{1}{n+1}
b
(1)n1n+1(-1)^n \dfrac{1}{n+1}
c
(1)n+1n+1\dfrac{(-1)^{n+1}}{n+1}
d
1n\dfrac{1}{n}

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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