Question

The term independent of x in the binomial expansion of$\bigg \lgroup 1-\frac{1}{x}+3x^{5}\bigg \rgroup \bigg \lgroup 2x^{2}-\frac{1}{x}\bigg \rgroup ^{8}$ is :
(a) 496
(b) –496
(c) 400
(d) –400

Answer 1

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