document.write( "Question 886967: What is the general form of the equation of a circle with center at (a,b) and radius of length m?\r \n" );
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document.write( "A.x^2+y^2-2ax-2by+(a^2+b^2-m^2)=0 \n" );
document.write( "B.x^2+y^2+2ax+2by+(a^2+b^2-m^2)=0 \n" );
document.write( "C.x^2+y^2-2ax-2by+(a+b-m^2)=0 \n" );
document.write( "D.x^2+y^2+2ax+2by+a^2+b^2=-m^2 \n" );
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