Let\[f(x)=\int{{{e}^{x}}(x-1)(x-2)}dx\]. Then f decreases in the interval

Let\[f(x)=\int{{{e}^{x}}(x-1)(x-2)}dx\]. Then f decreases in the inter

1.	Let\[f(x)=\int{{{e}^{x}}(x-1)(x-2)}dx\]. Then f decreases in the interval
A.	\[(-\infty ,-2)\]
B.	\[(-2,-1)\]
C.	\[(1,\,\,2)\]
D.	\[(2,+\infty )\]
Answer» D. \[(2,+\infty )\]

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Let\[f(x)=\int{{{e}^{x}}(x-1)(x-2)}dx\]. Then f decreases in the interval

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