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Choose the correct answers int(dx)/(e^...

Choose the correct answers
`int(dx)/(e^(x)+e^(-x))` is equal to

A

`tan^(1-)(e^(x))+c`

B

`tan^(-1)(e^(-x))+c`

C

`log(e^(x)-e^(-x))+c`

D

`log(e^(x)+e^(-x))+c`

Text Solution

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The correct Answer is:
A
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KUMAR PRAKASHAN-INTEGRALS -MISCELLANEOUS EXERCISE-7
  1. Evaluate the definite integrals int(pi/2)^(pi)e^(x)((1-sinx)/(1-cosx...

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  2. Evaluate the definite integrals int(0)^(pi/4)(sinxcosx)/(cos^(4)x+si...

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  3. Evaluate the definite integrals in exercise. overset((pi)/(2)) under...

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  4. Evaluate the definite integrals in exercise. overset((pi)/(3)) under...

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  5. Evaluate the definite integrals int(0)^(1)(dx)/(sqrt(1+x)-sqrtx)

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  6. Evaluate the definite integrals int(0)^(pi/4)(sinx+cosx)/(9+16sin2x)...

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  7. Evaluate the definite integrals int(0)^(pi/2)sin2xtan^(-1)(sinx)dx

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  8. Evaluate the definite integrals int(0)^(pi)(xtanx)/(secx+tanx)dx

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  9. Evaluate the definite integrals int(1)^(4)[abs(x-1)+abs(x-2)+abs(x-3...

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  10. Evaluate the following definite integrals : int(1)^(3)(dx)/(x^(2)(x+...

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  11. Prove the following int(0)^(1)xe^(x)dx=1

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  12. Prove the following int(-1)^(1)x^(17)cos^(4)xdx=0

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  13. Prove the following overset((pi)/(2)) underset(0) int sin^(3)xdx=(2...

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  14. Prove the following overset((pi)/(4)) underset(0) int 2 tan^(3)x dx...

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  15. Prove the following overset(1)underset(0)int sin^(-1)x dx=(pi)/(2)-...

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  16. Evaluate int(0)^(1)e^(2-3x)dx as a limit of a sum.

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  17. Choose the correct answers int(dx)/(e^(x)+e^(-x)) is equal to

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  18. Choose the correct answers int(cos2x)/((sinx+cosx)^(2))dx is equal t...

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  19. Choose the correct answers If f (a + b - x) = f (x), then int(a)^(b)...

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  20. Choose the correct answers The value of int(0)^(1)tan^(-1)((2x-1)/(1...

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