perplexus.info :: Calculus : Maximum Value

Maximum Value (Posted on 2002-06-19)

We have :

      x^2+xy+y^2=3 and
      y^2+yz+z^2=16
      A=xy+yz+zx

Find the maximum value of A. Find x, y and z when A=max value.

(Remember the category)

See The Solution Submitted by vohonam

Rating: 3.2857 (7 votes)

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Puzzle Answer

Comment 19 of 19 |

The required maximum value is 8.

*** Hope to provide an independent explanation of my own at a later date.

Posted by K Sengupta on 2022-04-12 01:56:47

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