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The value of c in the Lagrange's mean va...

The value of c in the Lagrange's mean value theorem for the function `f(x)=x^(3)-4x^(2)+8x+11`, when `x in [0, 1]` is :

A

`(sqrt(7)-2)/(3)`

B

`(4-sqrt(5))/(3)`

C

`(4-sqrt(7))/(3)`

D

`(2)/(3)`

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