1.

The maximum value of \[{{x}^{4}}{{e}^{-{{x}^{2}}}}\]is                   [AMU 1999]

A.            \[{{e}^{2}}\]
B.            \[{{e}^{-2}}\]
C.            \[12{{e}^{-2}}\]
D.            \[4{{e}^{-2}}\]
Answer» E.


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