1.

A (1,3) and C (-2/5,-2/5) are the vertices of a triangle ABC and the equation of the internal angular bisector of angleABCis x+y -2=0 Coordinates of vertex B

Answer»

`(3/10,17/10)`
`(17/10,3/10)`
`(-5/2,9/2)`
(1,1)

ANSWER :C


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