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If the diagram is there,it will be easy to understand the question.
[email protected] wrote:In the xy-plane , line l intersects a circle with center at origin. Is the slope of line l equal to zero?
1) line l passes through second quadrant.
2) line l is perpendicular to the tangent of the circle.
- by grr673
Wed Sep 20, 2017 10:35 pm- Forum: Problem Solving
- Topic: I think the answer should be B not C
- Replies: 6
- Views: 3536