1.

Show that the points A(0, 1, 2), B(2, -1, 3) and C(1, -3, 1) are vertices of an isosceles right angled triangle.

Answer» Show that the points A(0, 1, 2), B(2, -1, 3) and C(1, -3, 1) are vertices of an isosceles right angled triangle.


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