A) ½
B) 1
C) ?1
D) 2
Correct Answer: C
Solution :
\[\sqrt{x}+\sqrt{y}=1\] Þ \[\frac{dy}{dx}=-\frac{\sqrt{y}}{\sqrt{x}}\] Þ \[{{\left( \frac{dy}{dx} \right)}_{\left( \frac{1}{4},\,\frac{1}{4} \right)}}=-1\].You need to login to perform this action.
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