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1 Pure Mathematics

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Question 497

The curve C C\,C has equation y=x2cos⁡2xy=x^2\cos 2xy=x2cos2x, where x x\,x is measured in radians.

a.

Find dydx\displaystyle \frac{dy}{dx}dxdy​.

[3]
b.

Show that C C\,C has a stationary point for which 0.5<x<0.60.5<x<0.60.5<x<0.6.

[2]
Markscheme

1 Pure Mathematics Questions

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