Find the directional derivative of f x, y = 3 x^2 y at the point (1,2) in the direction of v= 3 i+4 j .

after i find the unit vector i am lost...can anyone help???

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- Jul 6th 2008, 08:51 PMchris25directional derivative
Find the directional derivative of f x, y = 3 x^2 y at the point (1,2) in the direction of v= 3 i+4 j .

after i find the unit vector i am lost...can anyone help??? - Jul 6th 2008, 09:16 PMChris L T521
- Jul 13th 2008, 03:53 PMMathstud28