1.

If \(\frac{a}{{b\; + \;c}} = \frac{b}{{c\; + \;a}} = \frac{c}{{a\; + \;b}},\;\)then which one of the following statements is correct?

A. Each number is equal to 1 or -1.
B. Each number is equal to \(\frac{1}{2}\) or 1.
C. Each number is equal to \(\frac{1}{2}\) or -1.
D. All statements are correct.
Answer» E.


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