1.

If the lines a_(1)x+b_(1)y=1,a_(2)x+b_(2)y=1,a_(3)x+b_(3)y=1, are concurrent then the points (a_(1),b_(1)),(a_(2),b_(2)),(a_(3),b_(3))

Answer»

FORMS EQUILATERAL triangle
forms RIGHT ANGLED triangle
forms scalane triangle
lie on a STRAIGHT line

Answer :D


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