CUET Preparation Today
CUET
General Aptitude Test
Quantitative Reasoning
Algebra
If x + y + z = 0, then the value of $\frac{x^2}{yz}+\frac{y^2}{zx}+\frac{z^2}{xy}$ is :
3
1
0
2
If x + y + z = 0
Put x = y = 1, z = -2
$\frac{1^2}{1 × -2}+\frac{1^2}{-2 × 1}+\frac{-2^2}{1 × 1}$
$\frac{1}{-2}+\frac{1}{-2}+\frac{4}{1}$ = -1 + 4 = 3