circle

Related Questions

• If the circle ${{x}^{2}}+{{y}^{2}}+6x-2y+k=0$ bisects the circumference of the circle ${{x}^{2}}+{{y}^{2}}+2x-6y-15=0,$ then $k=$

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• The equation of the normal to the circle ${{x}^{2}}+{{y}^{2}}-2x=0$ parallel to the line $x+2y=3$ is

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• The equations of the tangents drawn from the point (0, 1) to the circle ${{x}^{2}}+{{y}^{2}}-2x+4y=0$ are

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• The equation of the circle through the point of intersection of the circles ${{x}^{2}}+{{y}^{2}}-8x-2y+7=0$ , ${{x}^{2}}+{{y}^{2}}-4x+10y+8=0$ and (3, –3) is

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• If the equation $p{{x}^{2}}+(2-q)xy+3{{y}^{2}}$ $-6qx+30y+6q=0$ represents a circle, then the values of p and q are

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