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Let xgt0 be a fixed reacl number. Then t...

Let `xgt0` be a fixed reacl number. Then the integral `underset(0)overset(oo)(f)e^(-1)|x-t|dt` is equal to -

A

`x + 2e^(-x) - 1`

B

`x - 2e^(-x) + 1`

C

`x + 2e^(-x) + 1 `

D

`-x - 2e^(-x) + 1`

Text Solution

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The correct Answer is:
A
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