- #1
rado5
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Homework Statement
Find the unique vector which is perpendicular on x2+y2=100 at (x0,y0)=(6,8).
Homework Equations
[tex]\nabla[/tex]F[tex]/[/tex] [tex]\left|[/tex] [tex]\nabla[/tex]F [tex]\left|[/tex]
The Attempt at a Solution
I think the solution is [tex]\nabla[/tex]F[tex]/[/tex] [tex]\left|[/tex] [tex]\nabla[/tex]F [tex]\left|[/tex] but I don't know how to calculate [tex]\nabla[/tex]F for x2+y2=100
I know [tex]\nabla[/tex]F=([tex]\partial[/tex]F[tex]/[/tex][tex]\partial[/tex]x,[tex]\partial[/tex]F[tex]/[/tex][tex]\partial[/tex]y,[tex]\partial[/tex]F[tex]/[/tex][tex]\partial[/tex]z)
Please tell me how I can find the answer. What is F here?
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