Find the gradient of the curve $$\(y=2 x^{3}-7 x+4\)$$ when $$\(x=-2\)$$.
Exam No：0580_m21_qp_42 Year：2021 Question No：12(a)
Answer:
17
Knowledge points:
E2.13.1 Understand the idea of a derived function.
E2.13.2
E2.13.3 Apply differentiation to gradients and turning points (stationary points).
Solution:
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