A) \[\frac{2}{{{x}^{2}}}+\frac{2}{{{x}^{3}}}\]
B) \[-\frac{2}{{{x}^{2}}}+\frac{2}{{{x}^{3}}}\]
C) \[-\frac{2}{{{x}^{2}}}-\frac{2}{{{x}^{3}}}\]
D) \[-\frac{2}{{{x}^{3}}}+\frac{2}{{{x}^{2}}}\]
Correct Answer: D
Solution :
\[y=\frac{1+{{x}^{2}}-2x}{{{x}^{2}}}=\frac{1}{{{x}^{2}}}+1-\frac{2}{x}\Rightarrow \frac{dy}{dx}=-\frac{2}{{{x}^{3}}}+\frac{2}{{{x}^{2}}}\].You need to login to perform this action.
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