2021 TWO(c)

Question

A curve has the equation

y = (x^{2} + 3 x + 2) cos 3 x

.

Find the equation of the normal to the curve at the point where the curve crosses the

y

-axis.

*You must use calculus and show any derivatives that you need to find when solving this problem.*

Full Solution

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Video Explanation

NCEA Level 3 Calculus Differentiation 2021 NZQA Exam - Worked Answers by infinityplusone(starts at 36:45)