The directional derivative of a function F(x,y) at a point P (1,-3) in the direction of...

The directional derivative of a function F(x,y) at a point P (1,-3) in the direction
of the unit vector - 3/5 i + 4/5 j is equal to - 4 while its directional derivative
at P in the direction of the unit vector (1/root5) i + (2/root5) j is equal to 0.
Find the directional derivative of F(x,y ) at P in the direction from P(1,-3)

towards the point Q(5,0).

Expert Solution

milcah answered 2 years ago

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