Thursday

August 28, 2014

August 28, 2014

Posted by **Anonymous** on Saturday, January 16, 2010 at 11:58am.

A={(x,y)∈ RxR:x^2+y^2=r^2}

B={(x,y)∈ RxR:x^2+y^2<=r^2}

C={(x,y)∈ RxR:x^2+y^2<r^2}

Determine

UA and ∩A

UB and ∩B

UC and ∩C

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