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Manipal MET2013MathematicsLinear Programming

Find the greatest value of x y z for positive values of x, y, z subject to the condition x y+y z+z x=12 .

Options

  1. A64
  2. B8
  3. C16
  4. D32

Correct answer

B. 8

Step-by-step solution

By hit and trial method taking x=y=z=2 , we get x y+y z+z x=12

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