circle

Related Questions

• If the circles ${{x}^{2}}+{{y}^{2}}+2ax+cy+a=0$ and ${{x}^{2}}+{{y}^{2}}-3ax+dy-1=0$ intersect in two distinct points $P$ and $Q$ then the line $5x+by-a=0$ passes through $P$ and $Q$ for

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• If the lines $3x-4y+4=0$ and $6x-8y-7=0$ are tangents to a circle, then the radius of the circle is

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• Consider the circles ${{x}^{2}}+{{(y-1)}^{2}}=$ $9,{{(x-1)}^{2}}+{{y}^{2}}=25$ . They are such that

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• The equation ${{x}^{2}}+{{y}^{2}}+4x+6y+13=0$ represents

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• The area of the triangle formed by the tangent at (3, 4) to the circle ${{x}^{2}}+{{y}^{2}}=25$ and the co-ordinate axes is

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