Question 126

If $$\frac{x}{a}=\frac{1}{a}-\frac{1}{x}$$ then of $$x-x^{2}$$ is

Solution

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$$\frac{x}{a}=\frac{1}{a}-\frac{1}{x}$$

$$\frac{x}{a}$$ - $$\frac{1}{a}$$ = - $$\frac{1}{x}$$

$$\frac{1-x}{a}$$ = $$\frac{1}{x}$$

and hence ,

$$x-x^{2}$$ = a

So D is the correct option

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