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The two parabolas x^(2)=4y and y^(2)=4x ...

The two parabolas `x^(2)=4y and y^(2)=4x` meet in two distinct points. One of these is the origin and the other is

A

`(2,2)`

B

`(4,-4)`

C

`(4,4)`

D

`(-2,2)`

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