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Summing Powers 2 (Posted on 2007-08-25) Difficulty: 3 of 5
What is x + y + z if the following are true:

x4 + y4 + z4 = 11
x3 + y3 + z3 = 7
x2 + y2 + z2 = 3

Just think of this problem as the reverse of this one.

See The Solution Submitted by Brian Smith    
Rating: 4.0000 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
solution | Comment 3 of 5 |
    x+y+z= -1
  Posted by Jason Scott Clark on 2007-08-26 12:51:03
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