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int((x^(2) +1))/(x^(4) + 7x^(2) + 1) dx ...

`int((x^(2) +1))/(x^(4) + 7x^(2) + 1) dx =`

A

`(1)/(3)Tan^(-1)((x^(2) - 1)/(3x))+c`

B

`Tan^(-1)((x^(2) - 1)/(x))+c`

C

`(1)/(3)Tan^(-1)((x^(2) - 1)/(x))+c`

D

`(1)/(sqrt(3))Tan^(-1)((x^(2) - 1)/(sqrt(3)x))+c`

Text Solution

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-EAMCET - 2016 TS-Questions
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  2. int(x^(3))/(sqrt(1+x^(2)))dx =

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  8. If y =a cos (sin x) + b sin (sin x) then y (2) + (tan x) y(1)=

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  18. For the ellipse given by ((x-3)^(2))/(25) + ((y-2)^(2))/(16) = 1, matc...

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