Write the equation of the tangent to the circle at a point lying on the circle.

MATHEMATICS · Subjective · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

Write the equation of the tangent to the circle x2+y2+2gx+2fy+c=0x^{2}+y^{2}+2gx+2fy+c=0 at a point (x1,y1)(x_{1},y_{1}) lying on the circle.

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