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AP EAMCET2015MathematicsApplication of Derivatives

If f is defined in [1,3] by f(x)=x^3+b x^2+a x , such that f(1)-f(3)=0 and f^ ( c )=0 , where c=2+ 1 3 , then (a, b) is equal to

Options

  1. A(-6,11)
  2. B(2 - 1 3 ,2 + 1 3 )
  3. C(11,-6)
  4. D(6,11)

Correct answer

C. (11,-6)

Step-by-step solution

No solution. Refer to answer key.

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