Question
Mathematics Question on introduction to three dimensional geometry
The equation of conic is 19x2+15y2=285. A concentric circle with radius 4 units is given then angle of common tangent made by minor axis of ellipse is
A
3Π
B
2Π
C
6Π
D
4Π
Answer
3Π
Explanation
Solution
The correct option is (A): 3Π