Pls help I gat no idea on what the answer is
2 answers:
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has gradient
which at the point (-1, 4, 3) has a value of
I'm not sure what the given direction vector is supposed to be, but my best guess is that it's intended to say , in which case we have
Then the derivative of at (-1, 4, 3) in the direction of
is
The discriminant of this equation is 49. The solutions for this equation are x=2 and x=-
I hope that helps.
I hope that helps.