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Thread: Can anyone please help me with this question?

  1. #1
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    Can anyone please help me with this question?

    Can anyone please help me with this question?-ma24j-202007-8-20a-20001.pdf

    Hello, I am having trouble with question 4 on this past paper and wondered if anyone could help me with it? It's to do with directional derivatives....

    Thank you
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    Quote Originally Posted by HorseStar2 View Post
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    Hello, I am having trouble with question 4 on this past paper and wondered if anyone could help me with it? It's to do with directional derivatives....

    Thank you
    The direction in which $\displaystyle \Psi$ changes at the greatest rate is given by $\displaystyle \nabla \Psi$. Calculate it. Now calculate the directional derivative of $\displaystyle \phi$ in that direction.
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