Find a unit vector that is normal to the level curve of the function f(x, y) = 3x + 6y at the point (4, – 5) ..... The unit vector that is normal to the level curve of the function f(x, y) is.
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- Find the directional derivative of f(x,y,z)=yz+x^4 at the point (1,3,2) in the direction of a vector making an angle of 5π/6 with ∇f(1,3,2).Find the directional derivative of f(x,y,z) = z3-x2y at the point (4, -3, 4) in the direction of the vector v = <-1,-3,-2>.Find the directional derivative of f(x,y,z)=yz+x^4 at the point (1,2,3) in the direction of a vector making an angle of pi/6 with f(1,2,3). Fu=?
- Find the unit vector u along which the rate of change of the function f(x, y) = x 2 + xy3 at the point (2,1) is maximum. What is this maximum rate of change?Find the rate of change of F at P in the direction of the vector ⟨2,-3,6⟩ and the minimum rate of change of F at P.Find the directional derivative of the function at the given point in the direction of the vector v. f(x, y, z) = xey + yez +zex (0, 0, 0), v = (5, 3, −1) Duf(0, 0, 0) =
- Find the directional derivative of the function at the given point in the direction of the vector v. h(r, s, t) = ln(3r + 6s + 9t), (1, 1, 1), v = 6i + 18j + 9k Dvh(1, 1, 1)=? Please Help Thank youFind a unit vector pointing in the direction in which the maximum rate of change occurs for the following function at the given point. f(x,y)=2xsin^2(xy)at the point (2,1). Express your answer as a unit vector and round the value(s) to three decimals.Find the directional derivative Duf(1, 1), where f(x, y) = x2 + y2 and u is the unit vector at an angle of π/6 from horizontal.
- a) What is the rate of change of f(x, y) = 3xy + y^2 at the point (2, 4) in the direction of vector v = -3i - j? b) What is the direction of maximum rate of change of f at (2, 4)? c) What is the maximum rate of change?Find the directional derivative of the function at the given point in the direction of the vector v. f(x, y, z) = x2y + y2z, (2, 5, 8), v = (2, −1, 2)F(x,y,z)=2x2+7y2+7z2 F(x,y,z)= 1152 The unit vector u for which the directional derivative is maximum at point (11,7,9) is ? What is the maximum directional derivative at the point (11,7,9) ?