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[ul(" Math's "-)],[" 31) If the coeffici...

[ul(" Math's "-)],[" 31) If the coefficients of "x^(7)&x^(8)" in the expansion of "[2+(x)/(3)]^(n)" are equal then value of "n" is "],[[" a) "15," b) "45," c) "55," d) "56]]

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