Expression 5: left brace, 4 less than or equal to "x" squared plus "y" squared less than or equal to 2.7 squared , right brace Start product from "i" equals 1 to 3, end product, left parenthesis, "x" squared plus "y" squared minus 6 "Y" plus 5.3 9 , right parenthesis less than 04≤x2+y2≤2.723∏i=1x2+y2−6Y+5.39<0
5
Expression 6: left brace, "x" squared plus "y" squared greater than 0.6 squared , right brace 0 less than left parenthesis, Start product from "i" equals 1 to 3, end product, left parenthesis, "x" squared plus "y" squared minus 6 "Y" plus 4.5 9 , right parenthesis , right parenthesis left parenthesis, Start sum from "i" equals left bracket, 0...0 , right bracket to left bracket, 0...0 , right bracket , end sum, left brace, "Y" greater than 0 , right brace left brace, StartAbsoluteValue, "X" , EndAbsoluteValue greater than .1 , right brace left brace, "x" squared plus "y" squared minus 4.4 "Y" less than 4.1 6 , right brace left brace, "Y" less than 2 , StartAbsoluteValue, "X" , EndAbsoluteValue greater than .4 , right brace , right parenthesisx2+y2>0.620<3∏i=1x2+y2−6Y+4.590...0∑i=0...0Y>0X>.1x2+y2−4.4Y<4.16Y<2,X>.4