The value of \[\int{\frac{2\,\,dx}{\sqrt{1-4{{x}^{2}}}}}\] is [Karnataka CET 2001; Pb. CET 2001]

The value of \[\int{\frac{2\,\,dx}{\sqrt{1-4{{x}^{2}}}}}\] is [Karnata

1.	The value of \[\int{\frac{2\,\,dx}{\sqrt{1-4{{x}^{2}}}}}\] is [Karnataka CET 2001; Pb. CET 2001]
A.	\[{{\tan }^{-1}}(2x)+c\]
B.	\[{{\cot }^{-1}}(2x)+c\]
C.	\[{{\cos }^{-1}}(2x)+c\]
D.	\[{{\sin }^{-1}}(2x)+c\]
Answer» E.

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The value of \[\int{\frac{2\,\,dx}{\sqrt{1-4{{x}^{2}}}}}\] is [Karnataka CET 2001; Pb. CET 2001]

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