circle

Related Questions

• The circles ${{x}^{2}}+{{y}^{2}}+4x+6y+3=0$ and $2({{x}^{2}}+{{y}^{2}})+6x+4y+C=0$ will cut orthogonally, if C equals

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• The equation of the circle which passes through the point of intersection of circles ${{x}^{2}}+{{y}^{2}}-8x-2y+7=0$ and ${{x}^{2}}+{{y}^{2}}-4x+10y+8=0$ and having its centre on$y$ -axis, will be

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• Locus of the centre of the circle touching both the co-ordinates axes is

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• The equation $a{{x}^{2}}+b{{y}^{2}}+2hxy+2gx+2fy+c=0$ will represent a circle, if

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• The equation of a circle with centre $(-4,\ 3)$ and touching the circle ${{x}^{2}}+{{y}^{2}}=1$ , is

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