Question:

The directional derivative of Φ(x,y,z) = x2yz+4xz2 at (1, -2, 1) in the direction of \(2\hat{i}-\hat{j}-2\hat{k}\) is

Updated On: Mar 21, 2024
  • \(-\frac{1}{3}\)
  • \(\frac{2}{3}\)
  • \(-\frac{13}{3}\)
  • \(\frac{13}{3}\)
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The Correct Option is C

Solution and Explanation

The correct option is(C):\(-\frac{13}{3}\).
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