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The value of int e^(-1/x).1/x^2 dxis………...

The value of `int e^(-1/x).1/x^2 dx`is………

A

`1/x e^(-1/x)+c`

B

`-1/x e^(-1/x) + c`

C

`e^(-1/x) + c`

D

`-e^(-1/x)+c`.

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UNITED BOOK HOUSE-SET 12-EXERCISE
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