- #1
Ted123
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Homework Statement
[PLAIN]http://img261.imageshack.us/img261/1228/vectorcalc.png
Homework Equations
The Attempt at a Solution
I have the definition but what do I do with
[itex]f({\bf a+h})-f(\bf{a})={\bf c\times h} + \|{\bf a+h} \| ^2 {\bf c} - \|{\bf a}\| ^2 {\bf c}[/itex] ?
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