Show that the tangent line at a point P = (x0, y0) on the hyperbola x a 2 y b 2 = 1 has
Chapter 11, Problem 50(choose chapter or problem)
Show that the tangent line at a point P = (x0, y0) on the hyperbola x a 2 y b 2 = 1 has equation Ax By = 1 where A = x0 a2 and B = y0 b2 .
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