The circle represented by the equation x2-y2-2 g x-2 f y-c-0 will be a point circle- if A- g2-f2-c-0B- g2-f2-cC- None of theseD- x-axis at the origin

The correct option is B Using condition of point circle R = √(g^2+f^2 c)=0 ⇒ g^2 +f^2 = c ...

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Obtaining Centre and Radius of a Circle from General Equation of a Circle

The circle re...

Question

The circle represented by the equation $x^{2} + y^{2} + 2 g x + 2 f y + c = 0$ will be a point circle, if

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x-axis at the origin

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None of these

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x^{2} + y^{2} + 2 g x + 2 f y + c = 0

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x^{2} + y^{2} + 2 g x + 2 f y + c = 0

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\frac{π}{2},

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