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Evaluation of definite integrals by subs...

Evaluation of definite integrals by subsitiution and properties of its :
The value of `alpha` for which `4alphaint_(-1)^(2)e^(-alpha|x|)dx=5`, is :

A

`log_(e)2`

B

`log_(e)sqrt2`

C

`log_(e)((4)/(3))`

D

`log_(e)((3)/(2))`

Text Solution

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

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  14. int(-1)^( sqrt3) (dx)/( 1+x^2) = …...... .

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