Show that the middle term in the expansion of (1+x)2n is-1.3.5...(2n-1)/n! 2nxn ,where n is a positive integer.Here n is even so the middle term is (n+1) th term.So the n+1 th term is 2n Cn a2n-n bn i.e 2n Cn 12n-n xn i.e 2n Cn xn .I'm i correct till this step???
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