MATH 216T Homework 1 Solutions 1. Find the greatest common ...

Similarly, we get that (y 2 − y 1 ) 2 = a 2 (so we would solve (1) for x and substitute into (2); this comes down tointerchanging a and b). Henced 2 = (x 2 −x 1 ) 2 +(y 2 −y 1 ) 2 = b 2 +a 2✷6