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The interval in which y=x^(2)e^(-x) is d...

The interval in which `y=x^(2)e^(-x)` is decreasing is :

A

`(-oo, oo)`

B

` (-oo, 0)`U`(0, oo)`

C

` (-oo, 0)`U`(2, oo)`

D

`(0, 2)`.

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MODERN PUBLICATION-APPLICATIONS OF DERIVATIVES-NCERT - FILE (Question from NCERT Book) (Exercise 6.2)
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