If the function f (x) = ax3 + bx2 + 11x - 6 satisfies the condition of Rolle'* theorem in [1, 3] and f'(2 + 1/√3) = 0, then the values of a and b are respectively.
(a) -1 and 6
(b) -2 and 1
(c) 1 and -6
(d) -1 and 1/2
Correct Option (c) 1 and -6
Explanation: