Mathematics UTME / JAMB 1978 Linear, Simultaneous & Quadratic Equations
The quantity (x + y) is a factor of
A
x2 + y2
B
x3 - y3
C
2x2 - 3xy + y2 - x + 1
D
2x3 + 2x2y - xy + 3x - y2 + 3y
E
x5 - y5
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