Multiple Choice Questions

x2 yz y2 zx z2 xy 3 the what is the value of x y z 3 ........

Quantitative Aptitude (Hr Patwari ) Algebra

(x²/yz) + (y²/zx)+ (z²/xy) =3 the what is the value of (x+y+z)³

(x²/yz) + (y²/zx)+ (z²/xy) =3
or (x³+y³+ z³)=3xyz
or (x+y+z)=0
So (x+y+z)³=0

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