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1. |
If the system of equations 2x + 3y – z = 0, x + ky - 2z = 0 and 2x – y + z = 0 has a non-trivial solution (x, y, z), then \(\frac{x}{y} + \frac{y}{z} + \frac{z}{x} + k\) is equal to: |
A. | 3/4 |
B. | 1/2 |
C. | \(\frac{{ - 1}}{4}\) |
D. | -4 |
Answer» C. \(\frac{{ - 1}}{4}\) | |