1.

The solution of system of equations ax + by - a + b = 0 and bx - ay - a - b = 0 are

A. x = a + b, y = a - b
B. x = -a + b, y = -a - b
C. x = 1, y = -1
D. x = 0, y = 0
Answer» D. x = 0, y = 0


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