OCR C4 2010 June — Question 5

Exam BoardOCR
ModuleC4 (Core Mathematics 4)
Year2010
SessionJune
TopicImplicit equations and differentiation
5 Find the coordinates of the two stationary points on the curve with equation $$x ^ { 2 } + 4 x y + 2 y ^ { 2 } + 18 = 0$$
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