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int((x^(2)-1))/((x^(2)+1)sqrt(x^(4)+1))d...

`int((x^(2)-1))/((x^(2)+1)sqrt(x^(4)+1))dx` is equal to

A

`sec^(-1)((x^(2)+1)/(sqrt2x))+c`

B

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

C

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

D

none of these

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FIITJEE-INDEFINTE INTEGRAL-SOLVED PROBLEMS (OBJECTIVE)
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  4. Evaluate: int(x+x^(2/3)+x^(1/6))/(x(1+x^(1/3))).dx

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  5. If int(e^(x)(2-x^(2)))/((1-x)sqrt(1-x^(2)))dx=mue^(x)((1+x)/(1-x))^(la...

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  6. int(dx)/(xsqrt(1-x^(3)))dx=

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  7. he value of the integral inte^(sin^(2x))(cosx+cos^3x)sinx dx is

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  8. If int(dx)/(5+4cosx)=ktan^(-1)(mtan""(x)/(2))+c, then

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  9. If intsqrt(cosecx+1)dx,kfog(x)+c, where k is a real constant, then

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  10. If f'(x)=(1)/(-x+sqrt(x^(2)+1))andf(0)=(-(1+sqrt2))/(2), then the valu...

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  11. int(dx)/(root(3)((x-1)^(4)*(x+1)^(2)))

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  12. I=int (dx)/(""^(4)sqrt( (x-1) ^(3) (x+2)^(5)))=k ""^(4)sqrt((x-1)/(x+2...

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  13. For integral int f(x- a/x)*(1+a/x^(2))dx, put x-a/x=t For integral i...

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  14. Evaluate: int(x-1)/((x+1)sqrt(x^3+x^2+x))\ dx

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  15. Statement -1 : Integral of an even function is not always on odd funct...

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  16. If int(lnx)/(x^(3))dx=-(lnx)/(ax^(2))-(1)/(bx^(2))+c then the value of...

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  17. Evaluate : intsin4x.e^(tan^(2)x)dx

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  18. If the primitive of the function f(x)=(x^(2009))/((1+x^(2))^(1006)) w....

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  19. If the antiderivative of (x^(3))/(sqrt((1+2x^(2)))) which passes throu...

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  20. Match the following:

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