One bisector of a(x-1)^(2)+2h(x-1)y+by^(...

One bisector of `a(x-1)^(2)+2h(x-1)y+by^(2)=0` is `2x+y-2=0` is then other bisector is

2x+y+2=0

x – 2y + 1 = 0

x – 2y – 1 = 0

2x + y = 1

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