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Minimum Value (Posted on 2002-06-19) Difficulty: 5 of 5
Given:
    x,y,z > 0
    xy+yz+zx <= 3/4
and
    P=x+y+z+(1/x)+(1/y)+(1/z)
Find the Minimum Value of P. Find x, y, and z when P = Minimum Value.

See The Solution Submitted by vohonam    
Rating: 3.2500 (8 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Wrong ! | Comment 3 of 18 |
(In reply to Wrong ! by vohonam)

Wait a minute, you're telling me to use Cauchy's inequality, and you're not even doing fractions properly? My answer was 7 1/2. That's the same as 15/2.
  Posted by friedlinguini on 2002-06-20 08:25:25

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