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If Integration using rigonometric identi...

If Integration using rigonometric identities :
`int(sec^(2)x)/((1+tanx)(2+tanx))dx` we can take .... As substitution.

A

`1+tanx=t`

B

`2+tanx=t`

C

`tanx=t`

D

None of these

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The correct Answer is:
C
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KUMAR PRAKASHAN-INTEGRALS -MULTIPLE CHOICE QUESTIONS(MCQS)
  1. Integration using rigonometric identities : int ((sin theta+cos thet...

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  2. int sec^((2)/(3))x*"cosec"^((4)/(3))x dx=....

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  3. If Integration using rigonometric identities : int(sec^(2)x)/((1+tan...

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  4. Integration using rigonometric identities : int tanx*sec^(2)x sqrt(1...

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  5. Integration using rigonometric identities : int cos^(-(3)/(7))x sin^...

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  6. int sec^(2)x*cosec^2(x)dx=.....+c

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  7. int((sinx)^(99))/((cosx)^(101))dx=....+c

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  8. Integration using rigonometric identities : int (x sin x)/((x cos x-...

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  9. int(1-cos x)cosec^(2)xdx=.....+c

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  10. If Integration using trigonometric identities : int sin 2x*cos 3 x d...

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  11. If Integration using rigonometric identities : int (cos 4x+1)/(cot x...

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  12. Integration using rigonometric identities : int(1+cosx)/(sin xcos x)...

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  13. Integration using rigonometric identities : int (sin x cos x)/(sqrt(...

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  14. If Integration using rigonometric identities : int(1)/(1+cotx)dx=px+...

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  15. If Integration using trigonometric identities : int(cos 8x+1)/(tan2x...

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  16. Integration using rigonometric identities : int (sinx- cos x)/(x^(2)...

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  17. Integration of some particular functions : int x sqrt((1-x^(2))/(1+x...

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  18. Integration of some particular functions : int(x-2)/(x^(2)-4x+5)dx=...

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  19. Integration of some particular functions : int (dx)/(5-4 cosx)=.......

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  20. Integration of some particular functions : int (sin 2x)/(p cos^(2) ...

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