Question
Mathematics Question on Coordinate Geometry
If the radius of the circle x2+y2+ax+by+3=0 is 2, then the point (a, b) lies on the circle
A
x2+y2=7
B
x2+y2=4
C
x2+y2=14
D
x2+y2=28
E
x2+y2=1
Answer
x2+y2=28
Explanation
Solution
The correct option is (D) : x2+y2=28