Question 3: [20 marks] Find the directional derivative of the function z(x,y) = n(xy²) + sin(x - y²) at the point P(-2/4
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Question 3: [20 marks] Find the directional derivative of the function z(x,y) = n(xy²) + sin(x - y²) at the point P(-2/4
Question 3: [20 marks] Find the directional derivative of the function z(x,y) = n(xy²) + sin(x - y²) at the point P(-2/4,7/4) in the direction making angle 7/6 with the horizontal axis. Present your answer up to three significant figures.
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