1.

What is the complete solution for the equation x (y - z) p + y (z - x) q = z (x - y)?

A. ϕ (x + y + z, xyz) = 0
B. ϕ (x + 2y + z, xz) = 0
C. ϕ (2x + y + z, xyz) = 0
D. ϕ (x + y + z, xy) = 0
Answer» B. ϕ (x + 2y + z, xz) = 0


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