If #(1+x)^n=c_0+c_1x+c_2x^2+cdots+c_nx^n# then show that #c_0.c_n+c_1.c_(n-1)+c_2.c_(n-2)+cdots+c_n.c_0=((2n)!)/(n!)^2#?
1 Answer
Jan 15, 2018
Please see below.
Explanation:
As
consider coefficient of
this will be
but
Hence