# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2017 | Oct-Nov | (P2-9709/22) | Q#7

Question The equation of a curve is x2+4xy+2y2=7 i. Find the equation of the tangent to the curve at the point (-1, 3). Give your answer in the form ax +by +c = 0, where a, b and c are integers. ii. Show that there is no point on the curve at which […]