1.

If x_(1), x_(2), x_(3) and y_(1),y_(2), y_(3) are in arithmetic progression with the same common difference then the points (x_(1),y_(1)) (x_(2),y_(2)) (x_(3), y_(3)) are:

Answer»

VERTICES of an equilateral TRIANGLE
vertices of a right ANGLED triangle
vertices of a right angled ISOSCELES
COLLINEAR

Answer :A::C


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