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Co - ordinate Geometry Circles

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Equation of a circle whose centre is origin and radius is equal to the distance between the lines x=1 and x=-1 is

A. x² + y² = 1

B. x² + y² = √2

C. x² + y² = 4

D. x² + y² = -4

E. None of the above

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Correct choice: C

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Circles

Eamcet Mathematics
Co - ordinate Geometry Circles