For the circle and a point

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

Problem

For the circle x2+y2+2gx+2fy+c=0x^2 + y^2 + 2gx + 2fy + c = 0 and a point P(x1,y1)P(x_1, y_1), write the algebraic expression whose sign is examined to decide whether PP lies inside, on, or outside the circle.

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