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Mathematics, 06.06.2020 04:59 Beth6013
(a) The coefficient of x^2 in the expansion of (1/x + 5x)^8 is equal to the coefficient of x^4 in the expansion of (a+5x)^7, a ∈ R. Find the value of a. (b) Find the coefficient of x^-2 in the expansion of (x-1)^3(1/x + 2x)^6
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(a) The coefficient of x^2 in the expansion of (1/x + 5x)^8 is equal to the coefficient of x^4 in th...
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