If X+Y+Z=15 and 1/x+1/y+1/z=0, then what is X^2+Y^2+Z^2?
1/X+1/Y+1/X=0
X+Y+Z=15
What is X^2+Y^2+Z^2 ?
X+Y+Z=15
What is
1 Answer
Apr 29, 2017
Explanation: