Find the derivative of the function at P 0 in the direction of A. f(x,y,z) = 3 e^x cos(yz), P0 (0, 0, 0), A = - i + 2 j + 3k
1 answer:
The derivative of
at a point
in the direction of a vector
is

We have

and

Then the derivative at
in the direction of
is

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Step-by-step explanation:
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