Question

Find the coordinate of a point A ,where AB IS the diameter of a circle whose centre is (4,-1) and B (5,2)

Answer 1

let the coordinates of A be (x,y)

B(5,2) centre is (4,-1)

5+x/2=4

5+x=8

x=3

y+2/2=-1

y+2=-2

y=-2-2=-4

A(3,-4)