If the point (x,y)be equidistant from the point { (a+b),(b-a)}and{(a-b),(a+b)} prove that bx=ay

If the point (x,y)be equidistant from the point { (a+b),(b-a)}and{(a-b

1.	If the point (x,y)be equidistant from the point { (a+b),(b-a)}and{(a-b),(a+b)} prove that bx=ay
Answer» So easy????