Show that the equation of a line tangent to the circle (x h) 2 (y k) 2 r 2 at the point
Chapter 11, Problem 73(choose chapter or problem)
Show that the equation of a line tangent to the circle (x h) 2 (y k) 2 r 2 at the point (a, b) on the circle is 1a h2 1x h2 1b k2 1y k2 r2
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