A) \[\frac{4}{3}{{a}^{2}}\]
B) \[\frac{8}{3}{{a}^{2}}\]
C) \[\frac{2}{3}{{a}^{2}}\]
D) \[\frac{5}{3}{{a}^{2}}\]
Correct Answer: B
Solution :
Required area \[=2\int_{0}^{a}{\sqrt{4ax}dx}\] \[=4\sqrt{a}\times \frac{2}{3}[{{x}^{3/2}}]_{0}^{a}=\frac{8\sqrt{a}}{3}.a\sqrt{a}=\frac{8}{3}{{a}^{2}}\].You need to login to perform this action.
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