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The set of all points for which f(x)=x^(...

The set of all points for which `f(x)=x^(2)e^(-x)` stricltly increasing is

A

(a) `(0,2)`

B

(b) `(2,infty)`

C

(c) `(-infty,infty)`

D

(d) `(-2,0)`

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The correct Answer is:
A
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