perplexus.info :: Numbers : Summing Powers 2

Summing Powers 2 (Posted on 2007-08-25)

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)

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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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