1.6.2 Coordinate geometry of the circle

A circle $C\,$ with centre $(2, 1)$ passes through the point $(- 1, 3)$ . A line $L\,$ passes through the points $(1, - 4)$ and $(10, 2)$ .

Show that $L\,$ is a tangent to $C$ .

[7]

A circle $C\,$ with centre $(2, 1)$ passes through the point $(- 1, 3)$ . A line $L\,$ passes through the points $(1, - 4)$ and $(10, 2)$ .

Show that $L\,$ is a tangent to $C$ .

[7]

1.6.2 Coordinate geometry of the circle Questions