A) \[4{{a}^{2}}\]
B) \[4{{a}^{2}}.4\]
C) \[4{{a}^{2}}(9-4)\]
D) \[\frac{152\sqrt{a}}{3}\]
Correct Answer: D
Solution :
Shaded area \[A=2\int_{4}^{9}{\sqrt{4ax}dx}\] \[A=4\sqrt{a}\times \frac{2}{3}[{{x}^{3/2}}]_{4}^{9}=\frac{152\sqrt{a}}{3}\].You need to login to perform this action.
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