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Q. |
The cross-section gives a when the cutting plane is parallel to axis of cone. |
A. | parabola |
B. | hyperbola |
C. | circle |
D. | ellipse |
Answer» B. hyperbola | |
Explanation: if the cutting plane makes angle less than exterior angle of the cone the cross- section gives a ellipse. if the cutting plane makes angle greater than the exterior angle of |
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