If ${{\log x} \over {b - c}} = {{\log y} \over {c - a}} = {{\log z} \over {a - b}},$ then which of the following is true
If ${{\log x} \over {b - c}} = {{\log y} \over {c - a}} = {{\log z} \over {a - b}},$ then which of the following is true
- A
$xyz = 1$
- B
${x^a}{y^b}{z^c} = 1$
- C
${x^{b + c}}{y^{c + a}}{z^{a + b}} = 1$
- D
All of These
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