Grade 12th passAlgebra
The coefficient of x^20 in the expansion of (1+x^2)^40(x^2+2+1/x^2)^-5
The coefficient of x^20 in the expansion of (1+x^2)^40(x^2+2+1/x^2)^-5
1 Answer
Deepak Kumar Shringi
is this x^2 is for whole in deno or only for 1 please reply
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