circle

Related Questions

• If the line $y=mx+c$ be a tangent to the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ , then the point of contact is

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• The radical centre of the circles ${{x}^{2}}+{{y}^{2}}+4x+6y=19,{{x}^{2}}+{{y}^{2}}=9$ and ${{x}^{2}}+{{y}^{2}}-2x-2y=5$ will be

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• $x=7$ touches the circle ${{x}^{2}}+{{y}^{2}}-4x-6y-12=0$ , then the coordinates of the point of contact are

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• If the line $y=\sqrt{3}x+k$ touches the circle ${{x}^{2}}+{{y}^{2}}=16$ , then $k =$

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• The point $(0.1, 3.1)$ with respect to the circle ${{x}^{2}}+{{y}^{2}}-2x-4y+3=0$ , is

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