Question

The real variables x, y, z, and the real constants p, q, r satisfy.
$\frac{x}{pq-r^2} = \frac{y}{qr-p^2} = \frac{ z}{rp - q^2}$
Given that the denominators are non-zero, the value of $px +qy+rz$ is

• A. 0
• B. 1
• C. pqr
• D. $p^2 + q^2 + r^2$

Answer 1

Answer: (A)

0

Answer 2

The correct answer is (A) : 0