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Mathematics, 06.06.2020 19:00 klysse123
Suppose f(x, y)=xyf(x, y)=xy, P=(−4,4)P=(−4,4) and v=−2i−1jv=−2i−1j. A. Find the gradient of f. ∇f=∇f= i+i+ jj Note: Your answers should be expressions of x and y; e. g. "3x - 4y" B. Find the gradient of f at the point P. (∇f)(P)=(∇f)(P)= i+i+ jj Note: Your answers should be numbers C. Find the directional derivative of f at P in the direction of vv. Duf=Duf= Note: Your answer should be a number D. Find the maximum rate of change of f at P. Note: Your answer should be a number E. Find the (unit) direction vector in which the maximum rate of change occurs at P. u=u= i+i+ jj Note: Your answers should be numbers
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Mathematics, 21.06.2019 23:00, noahdwilke
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
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Suppose f(x, y)=xyf(x, y)=xy, P=(−4,4)P=(−4,4) and v=−2i−1jv=−2i−1j. A. Find the gradient of f. ∇f=∇...
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