FG=,dd +(I)  1Courier New1Symbol New1Courier New1Courier NewTimesr NewTimesr New1Courier New1Courier New1Courier New1Courier NewQPTQPTQPTQPT?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd{ d< p {2v\?@.w\?s6;!@ꇉSYV_"o@:baE; !!@???do`ßpGr.@` jͲ jͲ`@Rj&@Rj&@033333??@^ߛOw?HzG???zqo I@cx@@?@ @@@?@@@@@@@@PvPv@ @ @@/2??h!@$$$@@@@@???KLMNOPQR X)!t!!t^2-u^2tux = t^2-u^2; y = t; z = uiTiT02??h!@$$$@?P@@????@sHش?  $!`!!!!4!!t^2t0x = t^2; y = t; z = 002??h!@$$$@?P??@???@sHش?@ D H L P T X K!!L!N! M!@M!xN!-t^20tx = -t^2; y = 0; z = t42???$$$??̴@@333333@@????sHش?(,048<@!9!!2.5^22.502.5^2$seg (2.5^2,2.5,0) to (2.5^2,-2.5,0)-2.5042???$$$??@333333̴?@???sHش?\ ` d h l p t !h!h!-2.5^202.5-2.5^2&seg (-2.5^2,0,2.5) to (-2.5^2,0,-2.5)0-2.552???$$$Q@ʾ@333333@VPv@ʾ???? `dhlptx!ʾ????        0d!`!"d!!!2.5^2 -2.5cosh(t) 2.5sinh(t)+x = 2.5^2; y = -2.5cosh(t); z = 2.5sinh(t)02??h!@$$$??@333333ʾ/y>@̴ʾ?VPv@??? |"< " ","p!!+"-2.5^2 2.5sinh(t) 2.5cosh(t)+x = -2.5^2; y = 2.5sinh(t); z = 2.5cosh(t)02??h!@$$$??@333333ʾVPv̴ʾ?/y>???      X-"x4"6",V"5" 7"T"-2.5^2 2.5sinh(t) -2.5cosh(t),x = -2.5^2; y = 2.5sinh(t); z = -2.5cosh(t)02??h!@$$$??̴@VPvʾ@333333@/y>ʾ???? ]"\"X"\"d~"~""a^2 acosh(t) asinh(t)$x = a^2; y = acosh(t); z = asinh(t)02??h!@$$$@?cFW1 Vf1fP@Pv@zl????ĸȹ̺лԼ"t"""|""ȩ"tsqrt(t)cosh(.5)sqrt(t)sinh(.5)0x = t; y = sqrt(t)cosh(.5); z = sqrt(t)sinh(.5)02??h!@$$$@?Pvf1fP@cFW1 V?zl????ؽܾ #"$#.#p,#,#,#t-sqrt(t)cosh(.5)sqrt(t)sinh(.5)1x = t; y = -sqrt(t)cosh(.5); z = sqrt(t)sinh(.5)02??h!@$$$@?PvzlP@cFW1 V?f1f????Ȱ`#D#@##x###t-sqrt(t)cosh(-.5)sqrt(t)sinh(-.5)3x = t; y = -sqrt(t)cosh(-.5); z = sqrt(t)sinh(-.5)02??h!@$$$@?cFW1 VzlP@Pv@f1f????̱вԳشܵ S#@###<#p##tsqrt(t)cosh(-.5)sqrt(t)sinh(-.5)2x = t; y = sqrt(t)cosh(-.5); z = sqrt(t)sinh(-.5)02??h!@$$$@?Pf1fcFW1 V?zl?Pv@??? $(,####<###-tsqrt(t)sinh(.5)sqrt(t)cosh(.5)1x = -t; y = sqrt(t)sinh(.5); z = sqrt(t)cosh(.5)02??h!@$$$@?Pf1fPv?zl?cFW1 V????048<@  $`$8$dd$$a$a$-tsqrt(t)sinh(.5)-sqrt(t)cosh(.5)2x = -t; y = sqrt(t)sinh(.5); z = -sqrt(t)cosh(.5)02??h!@$$$@?PzlPv?f1f?cFW1 V????       lf$$p$t#$p$ $!$-tsqrt(t)sinh(-.5)-sqrt(t)cosh(-.5)4x = -t; y = sqrt(t)sinh(-.5); z = -sqrt(t)cosh(-.5)02??h!@$$$@?PzlcFW1 V?f1f?Pv@???      |%$4$t$$$$$X$-tsqrt(t)sinh(-.5)sqrt(t)cosh(-.5)3x = -t; y = sqrt(t)sinh(-.5); z = sqrt(t)cosh(-.5)42???$$$??ss@ @ @???sHش?  !"# %xT%P%2.5^2 2.5cosh(.5) 2.5sinh(.5)-2.5^2Hseg (2.5^2,2.5cosh(.5),2.5sinh(.5)) to (-2.5^2,2.5sinh(.5),2.5cosh(.5)) 2.5sinh(.5) 2.5cosh(.5)42???$$$??ss@ @ @???sHش? $$%(&,'0(4)8*W%% n%2.5^2 -2.5cosh(.5) 2.5sinh(.5)-2.5^2Jseg (2.5^2,-2.5cosh(.5),2.5sinh(.5)) to (-2.5^2,-2.5sinh(.5),2.5cosh(.5)) -2.5sinh(.5) 2.5cosh(.5)42???$$$??ss@ @ @???sHش?()+,- ./4[%%dr%2.5^2 -2.5cosh(.5) -2.5sinh(.5)-2.5^2Lseg (2.5^2,-2.5cosh(.5),-2.5sinh(.5)) to (-2.5^2,-2.5sinh(.5),-2.5cosh(.5)) -2.5sinh(.5) -2.5cosh(.5)42???$$$??ss@ @ @???sHش?012 3$4(5,6Ԋ%T%d%2.5^2 2.5cosh(.5) -2.5sinh(.5)-2.5^2Jseg (2.5^2,2.5cosh(.5),-2.5sinh(.5)) to (-2.5^2,2.5sinh(.5),-2.5cosh(.5)) 2.5sinh(.5) -2.5cosh(.5)xyzJXT@@?@@@@@@@@@@@@@@@@@@@@@@@@@@@T2 @T2 @T2 @x = y^2 - z^2UX pGX uLe1@8Лl@Times New Romanx = t^2-u^2; y = t; z = uP&o@((h@1Courier New7x = t^2; y = t; z = 0P&oU~C@rh@1Courier New x = -t^2; y = 0; z = t  ! P&o@0񓼍` @1Courier New seg (2.5^2,2.5,0) to (2.5^2,-2.5,0)P&oe0m@#wPǽuW>Z@1Courier Newh seg (-2.5^2,0,2.5) to (-2.5^2,0,-2.5)P&oe0m@#wPǽu+@1Courier New (x,y,z) = (2.5^2,0,0)P&oe0m@#wPǽu8@1Courier New (x,y,z) = (-2.5^2,0,0)P&omg@Z,ݔx O @1Courier Newx = 2.5^2; y = 2.5cosh(t); z = 2.5sinh(t)/P&omg@Z,ݔLkɶ@1Courier NewHx = 2.5^2; y = -2.5cosh(t); z = 2.5sinh(t)/P&omg@Z,ݔQr/@1Courier New x = -2.5^2; y = 2.5sinh(t); z = 2.5cosh(t)/P&omg@Z,ݔP@1Courier New x = -2.5^2; y = 2.5sinh(t); z = -2.5cosh(t)/P&omg@Z,ݔ@1Courier Newp x = a^2; y = acosh(t); z = asinh(t)nh(t)#""/P&ot:5@(3N(?1Courier New#( x = t; y = sqrt(t)cosh(.5); z = sqrt(t)sinh(.5)```P&oS@=r :}0dq=?1Courier New x = t; y = -sqrt(t)cosh(.5); z = sqrt(t)sinh(.5)00```P&o_1q@.*AM/ ?1Courier Newx = t; y = -sqrt(t)cosh(-.5); z = sqrt(t)sinh(-.5)```P&ob>|@BPŷK٨?1Courier NewPx = t; y = sqrt(t)cosh(-.5); z = sqrt(t)sinh(-.5)t"```P&o1;z8@>} g/?1Courier Newbx = -t; y = sqrt(t)sinh(.5); z = sqrt(t)cosh(.5)```P&ob>|@BLFI?1Courier Newx = -t; y = sqrt(t)sinh(.5); z = -sqrt(t)cosh(.5)P&o>9@,fHحBW?1Courier Newxx = -t; y = sqrt(t)sinh(-.5); z = -sqrt(t)cosh(-.5)@P&o(b9?@z5XѾ?1Courier New0x = -t; y = sqrt(t)sinh(-.5); z = sqrt(t)cosh(-.5)P&o(b9?@z5X={?1Courier Newseg (2.5^2,2.5cosh(.5),2.5sinh(.5)) to (-2.5^2,2.5sinh(.5),2P&o`9?@yaTPsS1Courier Newseg (2.5^2,-2.5cosh(.5),2.5sinh(.5)) to (-2.5^2,-2.5sinh(.5)P&oxխ@vq31Courier NewXseg (2.5^2,-2.5cosh(.5),-2.5sinh(.5)) to (-2.5^2,-2.5sinh(.5P&o࿴@3pQP_1Courier New]seg (2.5^2,2.5cosh(.5),-2.5sinh(.5)) to (-2.5^2,2.5sinh(.5),P&o࿴@3pQ@S1Courier New