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## Homework Statement

a.) Find the equations of the circles (if any) where the sphere (x-1)^2+(y+3)^2+(z-2)^2=4 intersects each coordinate plane.

b.)Find the points (if any) where this sphere intersects each coordinate axis.

## Homework Equations

## The Attempt at a Solution

a.) The sphere intersects the y-z plane so x=0. So the equation would be (y+3)^2+(z-2)^2=4?

b.) I'm not sure how to begin. Please help