A curve has equation $$\(y=4 x^{3}-3 x+3\)$$. Determine whether each of the stationary points is a maximum or a minimum. Give reasons for your answers.
Exam No：0580_s20_qp_43 Year：2020 Question No：12(a)(ii)
Answer:
\(\left(-\frac{1}{2}, 4\right)\) Max with reason
\(\left(\frac{1}{2}, 2\right)\) Min with reason
\(\left(\frac{1}{2}, 2\right)\) Min with reason
Knowledge points:
E2.13.4 Discriminate between maxima and minima by any method.
Solution:
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