" Prove that the points "(-a,-b),(0,0),(a,b)" and "(a^(2),ab)" are collinear "

The points (a, b), (0, 0), (-a, -b) and (ab, b^(2)) are

I : The points (2, 5), (0, 3), (2, 1), (4, 3) taken in order form a square. II : The points (-a, -b), (0, 0), (a, b), (a^(2), ab) are collinear.

Prove that the points (a,b),(a_(1),b_(1)) and (a-a_(1),b-b_(1)) are collinear if ab_(1)=a_(1)b

The points (a,b),(0,0),(-a,-b),(ab,b^(2)) are

Prove that the points (a, b + c), (b, c + a) and (c, a + b) are collinear.

Prove that the points A(2,0,-3), B (1,-2,-5) and C(3,2,-1) are collinear.

Prove that the points A(2,0,-3), B (1,-2,-5) and C(3,2,-1) are collinear.

Using the distance formula, prove that the points A(-2,3), B(1,2) and C(7,0) are collinear.

The points (-a, -b), (0, 0), (a, b) and (a^2,ab) are (a)Collinear (b) vertices of a reotangle (c) Vertices of an parallelogram (d) None of these