circle

Related Questions

• Middle point of the chord of the circle ${{x}^{2}}+{{y}^{2}}=25$ intercepted on the line $x-2y=2$ is

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• The length of common chord of the circles ${{(x-a)}^{2}}+{{y}^{2}}={{a}^{2}}$ and ${{x}^{2}}+{{(y-b)}^{2}}={{b}^{2}}$ is

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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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• The length of the common chord of the circles ${{(x-a)}^{2}}+{{(y-b)}^{2}}={{c}^{2}}$ and ${{(x-b)}^{2}}+{{(y-a)}^{2}}={{c}^{2}}$ , is

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• If the circle ${{x}^{2}}+{{y}^{2}}=4$ bisects the circumference of the circle ${{x}^{2}}+{{y}^{2}}-2x+6y+a=0$ , then a equals

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