First slide

Definition of a circle

Question

The number of real tangents that can be drawn
from $(2, 2)$ to the circle $x^{2} + y^{2} - 6 x - 4 y + 3 = 0$ is

Moderate

A

0
B

1
C

2
D

3

Solution

The point (2, 2) lies inside the circle. Hence, there cannot be a tangent drawn from (2, 2) to the given circle.

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