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Let f(x)=int(1)^(x)t(t^(2)-3t+2)dt,1lexl...

Let `f(x)=int_(1)^(x)t(t^(2)-3t+2)dt,1lexle4`. Then the range of f (x) is

A

`[-(1)/(4),(63)/(4)]`

B

`[-(1)/(4),2]`

C

`[-(1)/(4),(63)/(2)]`

D

none of these

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