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Find the equation of a circle which touc...

Find the equation of a circle which touches x-axis at the origin and whose radius is 5

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The correct Answer is:
(e)`x^(2)+(y pm5)^(2)=25`
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CBSE COMPLEMENTARY MATERIAL-COORDINATE GEOMETRY-section(D) (Long Answer Type Questions ) (6 Marks)
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  13. Find the equation of the parabola whose focus is (1,-1) and whose vert...

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  14. Find the equation of the hyperbola whose directrix is 2x+y=1, focus(1,...

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