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13 Nov 2019
for the function f(x,y) = x2 + xy + 1/2-3y + 6. au, if t = 1 and s-1. in the direction of v-i-2j. Problem 1 (4 points). Find the critical points and determine the local extreme values Problem 2 (3 points). Let u, = sin(z31/2), z = t,,y = ts. Use the dain rule to fir Problem 3 (3 points). Find the directional derivative of f(a,y)cosy at (0, m) Good Luck Ow
for the function f(x,y) = x2 + xy + 1/2-3y + 6. au, if t = 1 and s-1. in the direction of v-i-2j. Problem 1 (4 points). Find the critical points and determine the local extreme values Problem 2 (3 points). Let u, = sin(z31/2), z = t,,y = ts. Use the dain rule to fir Problem 3 (3 points). Find the directional derivative of f(a,y)cosy at (0, m) Good Luck Ow
Jean KeelingLv2
1 Jan 2019