A) \[\pi {{a}^{2}}sq\,\,unit\]
B) \[2\pi {{a}^{2}}sq\,\,unit\]
C) \[3\pi {{a}^{2}}sq\,\,unit\]
D) None of these
Correct Answer: A
Solution :
We have, the equation of the curve \[y=\frac{{{a}^{3}}}{{{x}^{2}}+{{a}^{2}}}=f(x)\] (say) Here, \[f(-x)=\frac{{{a}^{3}}}{{{(-x)}^{2}}+{{a}^{2}}}=\frac{{{a}^{3}}}{{{x}^{2}}+{{a}^{2}}}=f(x)\] \[\therefore \]The function is symmetrical about y-axis.You need to login to perform this action.
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