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Mathematics 16 Online
OpenStudy (anonymous):

Two circles of radius 4 are tangent to the graph y^2=4x at the point (1,2). Find the equations of these two circles.

OpenStudy (amistre64):

2yy'=4x' x' = y/2; at y=2 that is a slope of 1

OpenStudy (amistre64):

|dw:1354833751203:dw| hmmm

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