7f|Gq=,dd +(I)   1Courier New1Symbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier NewXlVXlVXlVXlV?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd{ d<  p {2 1Q5|?p F/4ml@3v*@Jр9#җ@??? @7 kCD @m躰@@@033333??@^ߛOw?HzG???:8Ic@&V@@?@ @@@??@?@?@Xy@@@@dddddddddddddddddddddddddddddddddddddddd /2??h!@$$$Xy@@ܺpXy@@4n@???074787<7@7D7H7x| A;x6474 sqrt(u^2+a)ucos(t)usin(t)*x = sqrt(u^2+a); y = ucos(t); z = usin(t)rPrP/2??h!@$$$@@b AJ?@'$隙?@???8*<+@,D-H.L/P0S)4::|:ubtx = u; y = b; z = t/2??h!@$$$@@g?@@???   DD DD,,P:T::cutx = c; y = u; z = t/2??h!@$$$@@Fw;S@@*P???  $(,04,$-6P',:::tudx = t; y = u; z = d/2??h!@$$$Xy@@MǗNSܺpXy@@4n@???|ĻP.:z"p:: -sqrt(u^2+a)ucos(t)usin(t)+x = -sqrt(u^2+a); y = ucos(t); z = usin(t)xyz[?(\*RQJXT@@@@@@@@@@@@@@@@@@@@@@@@@@@@RW$RW$RW$x = sqrt(u^2+a); y = ucos(t); z = usin(t))^9@Usؾ@1Courier New :x = u; y = b; z = t^9 ޾5@H&~*æA@1Courier New D:x = c; y = u; z = t^9T5@0(~?k7N-@1Courier New :x = t; y = u; z = d?^9QV@c`W@1Courier New :x = -sqrt(u^2+a); y = ucos(t); z = usin(t) ^9@?M@PkȇmɎ U@1Courier New @@@h!@