circle

Related Questions

• The equation of the tangents to the circle ${{x}^{2}}+{{y}^{2}}+4x-4y+4=0$ which make equal intercepts on the positive coordinate axes is given by

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• The equations of tangents to the circle ${{x}^{2}}+{{y}^{2}}-22x-4y+25=0$ which are perpendicular to the line $5x+12y+8=0$ are

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• One of the limit point of the coaxial system of circles containing ${{x}^{2}}+{{y}^{2}}-6x-6y+4=0$ , ${{x}^{2}}+{{y}^{2}}-2x$ $-4y+3=0$ is

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• The equation to the tangents to the circle ${{x}^{2}}+{{y}^{2}}=4$ , which are parallel to $x+2y+3=0$ , are

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• Two given circles ${{x}^{2}}+{{y}^{2}}+ax+by+c=0$ and ${{x}^{2}}+{{y}^{2}}+dx+ey+f=0$ will intersect each other orthogonally, only when

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