1.

If 2x + y - 4= 0 is a bisector of angles between the lines a(x-1) + b(y-2) = 0, c(x-1) + d(y-2)=0 the other angular bisector is

Answer»

`x-2y + 1 =0`
`x-2y-3 = 0`
` x-2y + 3 =0`
`x + 2y-5 = 0 `

ANSWER :C


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