Question: By about how much will change if the point P(x, y, z) moves from P 0 (3, 4, 12) a distance of ds = 0.1

By about how much willf(x, y, z) = lnx + y + z


change if the point P(x, y, z) moves from P0(3, 4, 12) a distance of ds = 0.1 unit in the direction of 3i + 6j - 2k?

f(x, y, z) = lnx + y + z

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