528 4. A circle C has equation x2 + y² - 4x + 2y = 40. Find the equations of the circles with centre (3, 1) which touch circle C. Find also the coordinates of the points of contact.
528 4. A circle C has equation x2 + y² - 4x + 2y = 40. Find the equations of the circles with centre (3, 1) which touch circle C. Find also the coordinates of the points of contact.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Transcribed Image Text:528
4. A circle C has equation x2 + y² - 4x + 2y = 40. Find the equations of the
circles with centre (3, 1) which touch circle C. Find also the coordinates of the points
of contact.
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