1.

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

Answer»

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



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