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OpenStudy (anonymous):
please help i've some idea of how to do it but i'm not sure ? Find the equation of the circle which passes through the points P(-3,-2) and Q(0, -1) and has the line 2x - y + 4 =0 as a tangent at the point P(-3,-2)
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OpenStudy (phi):
what's your idea?
OpenStudy (anonymous):
am well you use the x^2 + y^2 + 2gx + 2fy _ c =0 formula and sub the points into to get the two equations and then to get the third one you sub in -g for x and -f for y ?
OpenStudy (phi):
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