circle

Related Questions

• $a{{x}^{2}}+2{{y}^{2}}+2bxy+2x-y+c=0$ represents a circle through the origin, if

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• 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 the tangents to circle $5{{x}^{2}}+5{{y}^{2}}=1$ , parallel to line $3x+4y=1$ are

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• A point inside the circle ${{x}^{2}}+{{y}^{2}}+3x-3y+2=0$ is

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• The centre and radius of the circle $2{{x}^{2}}+2{{y}^{2}}-x=0$ are

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