Second derivatives
Second derivatives
4 marks
TGM Original
Given y=x4 - 3 x2 + 5, find dydx and d2ydx2.
Solution:
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Answer:\(\dfrac{\mathrm{d}y}{\mathrm{d}x}=4 x^{3} - 6 x\); \(\dfrac{\mathrm{d}^2y}{\mathrm{d}x^2}=6 \left(2 x^{2} - 1\right)\)
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