Question
Question: The number of tangent which can be drawn from the point (–1, 2) to the circle x<sup>2</sup> + y<sup...
The number of tangent which can be drawn from the point
(–1, 2) to the circle x2 + y2 + 2x– 4y + 4 = 0 is –
A
1
B
2
C
3
D
0
Answer
0
Explanation
Solution
S1 = 1+4–2 – 8 + 4 < 0 Point is inside the circle
Hence, no tangent can be drawn.