circle

Related Questions

• The two circles which passes through $(0,a)$ and $(0,-a)$ and touch the line $y=mx+c$ will intersect each other at right angle, if

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• The two circles ${{x}^{2}}+{{y}^{2}}-2x+22y+5=0$ and ${{x}^{2}}+{{y}^{2}}+14x+6y+k=0$ intersect orthogonally provided k is equal to

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• Tangents AB and AC are drawn from the point $A(0,\,1)$ to the circle ${{x}^{2}}+{{y}^{2}}-2x+4y+1=0$ . Equation of the circle through A, B and C is

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• The equation of the circle whose radius is 5 and which touches the circle ${{x}^{2}}+{{y}^{2}}-2x-4y-20=0$ externally at the point (5, 5), is

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• Circle ${{x}^{2}}+{{y}^{2}}-4x-8y-5=0$ will intersect the line $3x-4y=m$ in two distinct points, if

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