1.

If the linea_1x+b_1y=1,a_2x+b_2y=1,a_3x+b_3y=1 are concurrent then the points (a_1,b_1),(a_2,a_2),(a_3,b_3),

Answer»

FORMS equlateral triangle
forms RIGHT ANGLED triangle
forms SCALENE triangle
lie on a STRAIGHT line

Answer :D


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