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If (1+x)n=C0+C1x+…..+Cnxn, then the value of n∑r=0n∑s=0(Cr+Cs) is equal to |
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Answer» If (1+x)n=C0+C1x+…..+Cnxn, then the value of n∑r=0n∑s=0(Cr+Cs) is equal to |
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