Circle And System Of Circles Question 343
Question: The number of tangents which can be drawn from the point (-1,2) to the circle $ x^{2}+y^{2}+2x-4y+4=0 $ is
[BIT Ranchi 1991]
Options:
A) 1
B) 2
C) 3
D) 0
Show Answer
Answer:
Correct Answer: D
Solution:
Since point lies within the circle,
Hence no tangent can be drawn.
BETA
