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Question Number 38618 by tawa tawa last updated on 27/Jun/18

Commented by MrW3 last updated on 28/Jun/18

$${[1-\frac{1}{2}(1-x)]}^4=1-4x+{px}^2+{qx}^3+...$$$$thiscannotbetrue.$$$$\Rightarrow somethingiswrongwiththequestion.$$

Commented by tawa tawa last updated on 28/Jun/18

$$\mathrm{God}\mathrm{bless}\mathrm{you}\mathrm{sir}$$

Answered by Rio Mike last updated on 28/Jun/18

$$3\left(a\right){(1-y)}^8$$$$usingingBinomialTheorem$$$$1+8(-y)+\frac{8\left(7\right)}{2!}{(-y)}^2+\frac{8\left(7\right)\left(6\right)}{3!}{(-y)}^3$$$$1-8y+28y^2-56y^3+...$$$$b)ifyouputitintheformitdoesgo.$$$$$$

Commented by tawa tawa last updated on 01/Jul/18

$$\mathrm{God}\mathrm{bless}\mathrm{you}\mathrm{sir}$$

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