1.

If $$\frac{x}{{\left( {2x + y + z} \right)}}$$= $$\frac{y}{{\left( {x + 2y + z} \right)}}$$= $$\frac{z}{{\left( {x + y + 2z} \right)}}= a{\text{,}}$$then find a, If x + y + z ≠ 0

A. $\frac{1}{3}$$
B. $\frac{1}{4}$$
C. $\frac{1}{2}$$
D. $\frac{1}{8}$$
Answer» C. $\frac{1}{2}$$


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