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int(dx)/(x^2sqrt(4+x^2))...

`int(dx)/(x^2sqrt(4+x^2))`

A

`1/4 (sqrt(4-x^2)/x)+C`

B

`1/x(sqrt(4-x^2)/x)+C`

C

`-1/4(sqrt(4-x^2)/x)+C`

D

`-1/2 (sqrt(4-x^2)/x)+C`

Text Solution

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