circle

Related Questions

• The equations of the tangents to the circle ${{x}^{2}}+{{y}^{2}}=13$ at the points whose abscissa is 2, are

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• If ${{c}^{2}}>{{a}^{2}}(1+{{m}^{2}}),$ then the line $y=mx+c$ will intersect the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$

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• A line $lx+my+n=0$ meets the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ at the points P and Q. The tangents drawn at the points P and Q meet at R, then the coordinates of R is

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• The length of intercept, the circle ${{x}^{2}}+{{y}^{2}}+10x-6y+9=0$ makes on the x-axis is

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• If a line passing through origin touches the circle ${{(x-4)}^{2}}+{{(y+5)}^{2}}=25$ , then its slope should be

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