# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2009 | Oct-Nov | (P2-9709/22) | Q#7

Question The diagram shows the curve y = x2 cos x, for , and its maximum point M. i. Show by differentiation that the x-coordinate of M satisfies the equation ii. Verify by calculation that this equation has a root (in radians) between 1 and 1.2. iii. Use […]