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Find the directional derivative of the function at the given point in the direction of the...

Find the directional derivative of the function at the given point in the direction of the vector v.

f(x, y, z) = x2y + y2z, (2, 7, 9), v = (2, −1, 2)

Dvf(2, 7, 9) =

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The answer sheet has two pages.it is the first pagesecond/last page

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