If the function f(x)=a x^3+b x^2+11 x-6 ...

If the function `f(x)=a x^3+b x^2+11 x-6` satisfies conditions of Rolles theorem in `[1,3] and f'(2+1/(sqrt(3)))=0,` then values of `a and b`, respectively, are
(A) `-3,2`
(B) `2,-4`
(C) `1,-6`
(D) none of these

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If the function `f(x)=a x^3+b x^2+11 x-6` satisfies conditions of Rolles theorem in `[1,3] and f'(2+1/(sqrt(3)))=0,` then values of `a and b`, respectively, are (A) `-3,2` (B) `2,-4` (C) `1,-6` (D) none of these

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If the function `f(x)=a x^3+b x^2+11 x-6` satisfies conditions of Rolles theorem in `[1,3] and f'(2+1/(sqrt(3)))=0,` then values of `a and b`, respectively, are
(A) `-3,2`
(B) `2,-4`
(C) `1,-6`
(D) none of these