1.

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

Answer»

If (1+x)n=C0+C1x+..+Cnxn, then the value of 0r<sn(Cr+Cs) is equal to



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