

MCQOPTIONS
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1. |
If x/(y + z) = y/(x + z) = z/(x + y) = K, The possible value of K is _________. |
A. | -2 |
B. | 1/2 and -1 |
C. | -1/2 and 1 |
D. | -1 |
Answer» C. -1/2 and 1 | |