6/2/2023 0 Comments Greg ross futility closet![]() Straighline (4) intersects Circle C 0 at 4 points. Straighline (2) intersects Circle C 1 at 4 points. ![]() Similarly applying condition of tangency to straight line (4) and Circle C 1, If straight line (2) is a tangent that passes through (0,0) – center of Circle C 0, then, equation of the tangent to Circle C 1 that passes through (0,0) should beĪpplying condition of tangency to straight line (2) and Circle C 0, Thus, tangent to Circle C 0 that passes through center of circle C 1 is If straight line (1) is a tangent that passes through (x 1,0) – center of Circle C 1, then, ![]() Figure describes the choice of Cartesian co-ordinates.Ĭ 0 ≡ x² + y² = r 0² and C 1 ≡ (x-x1)² + y² = r 1² ![]()
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