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If f(x)= overset(x^(2)+1) underset(x^(2)...

If `f(x)= overset(x^(2)+1) underset(x^(2)) int e^(-t^(2)) dt` then the following f(x) decreases in

A

(-2,2)

B

`(0,oo)`

C

no value of x

D

`(-oo,0)`

Text Solution

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The correct Answer is:
B
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