Let f(x)=inte^x(x-1)(x-2)dxdot Then f d...

Let `f(x)=inte^x(x-1)(x-2)dxdot` Then `f` decreases in the interval `a)(-oo,-2)` (b) `-2,-1)` `(1,2)` (d) `(2,+oo)`

A

`(-infty,-2)`

B

`(-2,-1)`

C

`(1,2)`

D

`(2,infty)`

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The correct Answer is:

C

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