AP EAMCET2007MathematicsCircle
The condition for the coaxial system x^2+y^2+2 x+c=0 , where is a parameter and c is a constant, to have distinct limiting points, is
Options
- Ac=0
- Bc < 0
- Cc=-1
- Dc>0
Correct answer
D. c>0
Step-by-step solution
For c>0 , the coaxial system of circles represents a non-intersecting coaxial system for which 2 distinct limiting points.