A) 1
B) ? 1
C) x
D) \[\sqrt{x}\]
Correct Answer: B
Solution :
\[y=(1+{{x}^{1/4}})(1+{{x}^{1/2}})(1-{{x}^{1/4}})\] Þ \[y=(1+{{x}^{1/4}})(1-{{x}^{1/4}})(1+{{x}^{1/2}})\] \[=(1-{{x}^{1/2}})(1+{{x}^{1/2}})=1-x\Rightarrow \frac{dy}{dx}=-1\].You need to login to perform this action.
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