Mathematics
Mathematics, 06.05.2020 03:28, lunaangelique1p442id

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

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

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