Find the directional derivative of f(x,y)= 3-2x^2+y^3 at the point P(1,2) in the direction of the unit vector u=1/2i - ?(3)/(2)j.
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Calculus 3: Find the directional derivative of F at the point(1,2,1) in the direction of the vector a=2i+3j-sqrt(3)k
Find the directional derivative of the function f(x,y,z) = x^3 - xy^2 - z at P = (1,- 1, 0) in the direction of the vector
u = 2i - 3j + 6k.
In what directions does f changes most rapidly at P, and what are the rates of change in these directions?
Calculate the directional derivative of f(x,y)=xyin the direction of v=2i+2jat the point P=(1,1).Remember to normalize the direction vector.
Du(f)= (1,1)=_____________________________
Thanks