circle

Related Questions

• The pole of the straight line $9x+y-28=0$ with respect to circle $2{{x}^{2}}+2{{y}^{2}}-3x+5y-7=0$ , is

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• If the straight line $y=mx+c$ touches the circle ${{x}^{2}}+{{y}^{2}}-2x-4y+3=0$ at the point $(2, 3)$, then $c =$

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• If the middle point of a chord of the circle ${{x}^{2}}+{{y}^{2}}+x-y-1=0$ be (1, 1), then the length of the chord is

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• 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 circle which passes through the origin, has its centre on the line $x+y=4$ and cuts the circle ${{x}^{2}}+{{y}^{2}}-4x+2y+4=0$ orthogonally, is

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