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If Cr=nCr and (C0+C1)(C1+C2)....(Cn−1+Cn)=k(n+1)nn! , then the value of k is : |
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Answer» If Cr=nCr and (C0+C1)(C1+C2)....(Cn−1+Cn)=k(n+1)nn! , then the value of k is : |
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