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OpenStudy (khally92):
Anybody please f(x,y)=2y/x+y Find exactly all vectors of length 3 for which the directional derivative of f at (-1 2 )in that direction is zero. pleaseeee
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OpenStudy (tkhunny):
You have written 2y/x+y = \(\dfrac{2y}{x} + y\) Is this what you intend?
OpenStudy (khally92):
No.
OpenStudy (khally92):
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