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The value of int(0)^(infty)[2e^(-x)] dx ...

The value of `int_(0)^(infty)[2e^(-x)] dx` (where ,[.] denotes the greatest integer function of x) is equal to

A

1

B

`log_(e)2`

C

0

D

`(1)/(e)`

Text Solution

Verified by Experts

The correct Answer is:
B
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