MCQ
જો $y = {x^2}{e^{ - x}}$, એ . . .. અંતરાલમાં વધતું છે.
- A$( - \infty ,\infty )$
- B$( - 2,\,0)$
- C$(2,\infty )$
- ✓$(0,\,2)$
when $x(x - 2) $ is $ - ve$
$i.e.,$ $ x$ lies in the interval $x \in (0, 2)$,
exponential function as we know is always $ + ve$.
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