Question

AB is a diameter of a circle where C (1,-3) is Centre. Find B, if A (4,-1)​

Answer 1

Answer:

given C is the center of circle

Let B(X,y)

therefore C is the midpoint of AB(radius)

C(1,-3)=(4+X/2,-1+y/2)

1=4+X/2. -3=-1+y/2

X=(-2). y=(-5)

therefore B(-2,-5)