Find the image of the point A(5,3) under reflection in the point P(-1,3).
Let the image be `B (x,y).`
Since A is reflected in P,P is the mid-point of AB
Using mid-point formula, we get
`⇒ (x+5)/2=-1 and (y-3)/2=3`
`⇒ x+5=-2 and y-3=6`
`⇒ x=-7 and y=9`
So, the image of A in P is `B (-7,9)`