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Evaluation of definite integrals by subs...

Evaluation of definite integrals by subsitiution and properties of its :
`int_(0)^(1)(e^(t))/(t+1)dt=a` then `int_(b-1)^(b)(e^(-t))/(t-b-1)dt=...........`

A

`ae^(-b)`

B

`-ae^(-b)`

C

`be^(-b)`

D

None of these

Text Solution

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

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

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

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