Find a simple equation of the parabola $'hose focus is the
Chapter 8, Problem 70(choose chapter or problem)
Find a simple equation of the parabola $'hose focus is the origin and whose directrix is the line .r' = ,r + ,1. Recall from Miscellaneous of Chapter 3 that the distance from the point (.\0.,r0) to the line with equation A.t*B,t*C=0is
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