1.

A circle centred at the vertex of parabolax^(2)= 4y intersects it at theends of its latus-rectum . Equation of this cirlce is

Answer»

`x^(2) + y^(2) = 5`
`x^(2) + y^(2) = 4`
`x^(2) + y^(2) = 1`
`x^(2) + y^(2) = 2`

SOLUTION :N/A


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