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Choose the correct answers int(cos2x)/...

Choose the correct answers
`int(cos2x)/((sinx+cosx)^(2))dx` is equal to

A

`(-1)/(sinx+cosx)+C`

B

`logabs(sinx+cosx)+C`

C

`logabs(sinx-cosx)+C`

D

`1/((sinx+cosx)^(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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NCERT TELUGU-INTEGRALS-EXERCISE 7.12
  1. Integrate the functions (sqrt(x^(2)+1)[log(x^(2)+1)-2logx])/(x^(4))

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  2. Evaluate the definite integrals int(pi/2)^(pi)e^(x)((1-sinx)/(1-cosx...

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

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

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  5. Evaluate the definite integrals int(pi/6)^(pi/3)(sinx+cosx)/(sqrt(si...

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

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  7. Evaluate the integral I=underset(0)overset(pi//4)int (sinx+cosx)/(9+...

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

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  9. int(0)^(pi)(xtanx)/(secx+tanx)dx=

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

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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 int(0)^(pi/2)sin^(3)xdx=2/3

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  14. Prove the following int(0)^(pi/4)2tan^(3)xdx=1-log2

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  15. Prove the following int(0)^(1)sin^(-1)xdx=pi/2-1

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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. If f(a+b-x)=f(x)," then "int(a)^(b)xf(x)dx=

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  20. int(0)^(1) Tan^(-1) ((2x-1)/(1+x-x^(2)))dx=

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