The coefficient of x^20 in the expansion...

The coefficient of `x^20` in the expansion of `(1+x^2)^40.(x^2+2+1/x^2)^-5` is:

The coefficient of x^20 in the expansion of (1+x^2)^40.(x^2+2+1/x^2)^-...
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The coefficient of x^(20) in the expansion of (1+x^(2))^(40)*(x^(2)+2+...
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Find the coefficient of x^(20) in (x^2+2+1/(x^2))^(-5)(1+x^2)^(40)dot
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The coefficient of x^(5) in the expansion of (1+x^(2))(1+x)^(4) is
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The coefficient of x^(203) in the expansion of (x-1)(x^(2)-2)(x^(3)-3)...
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Find the coefficient of x^7 in the expansion of (x-1/(x^2))^(40).
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Coefficient of x^(5) in the expansion of (3x)/((x-1)^(2)(x+2)) is
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The coefficient of x20 in the expansion of (1+x^(2))^(40)*(x^(2)+2+1/x...
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The coefficient of x^(20) in the expansion of (1+1/(1!)x+1/(2!)x^(2)+…...
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