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Question: Answered & Verified by Expert
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 $f^{\prime}(\mathrm{c})=0$, where $c=2+\frac{1}{\sqrt{3}}$, then $(a, b)$ is equal to
MathematicsApplication of DerivativesAP EAMCETAP EAMCET 2015
Options:
  • A $(-6,11)$
  • B $(2 - \frac{1}{\sqrt{3}},2 + \frac{1}{\sqrt{3}})$
  • C $(11,-6)$
  • D $(6,11)$
Solution:
1553 Upvotes Verified Answer
The correct answer is: $(11,-6)$
No solution. Refer to answer key.

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