Question 9 (Revision: Unit 7) 5 marks Consider the function f(x, y) = 2x² + xy² − 6xy + 5x + 2. (a) Show that (1,3) is a
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Question 9 (Revision: Unit 7) 5 marks Consider the function f(x, y) = 2x² + xy² − 6xy + 5x + 2. (a) Show that (1,3) is a
Question 9 (Revision: Unit 7) 5 marks Consider the function f(x, y) = 2x² + xy² − 6xy + 5x + 2. (a) Show that (1,3) is a stationary point of f. (b) Classify the stationary point (1, 3). [2] [3]
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