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Evaluation of definite integrals by subs...

Evaluation of definite integrals by substitution and properties of its :
`int_(-pi)^(pi)(cos^(2)x)/(1+a^(x))dx=..........(agt0)`

A

`api`

B

`(pi)/(2)`

C

`(pi)/(a)`

D

`2pi`

Text Solution

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The correct Answer is:
B
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KUMAR PRAKASHAN-INTEGRALS -MULTIPLE CHOICE QUESTIONS(MCQS)
  1. Evaluation of definite integrals by subsitiution and properties of its...

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  2. Evaluation of definite integrals by subsitiution and properties of its...

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  3. Evaluation of definite integrals by substitution and properties of its...

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  7. Evaluation of definite integrals by subsitiution and properties of its...

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  8. If I=int (dx)/(sqrt(x+sqrt(x+sqrt(x+......oo))))=......

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  18. Evaluation of definite integrals by subsitiution and properties of its...

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  19. If (n-m) is odd and |m|ne|n| then int(0)^(pi)cosmxsinnxdx=..........

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