Question

Question
What value of (x, y) satisfy the given equation x-2x*y+2xy-y2=0
a) (1,1)
b) (1,2) c) (2,1)
d) (3,1)​

Answer 1

Answer:

(c).(2,1) is the answer

$x - 2xy + 2xy - y2$

2-2(2)(1)+2(2)(1)-(1)2=0

2-4+4-2=0

2-2=0

0=0