I72=Odd +(I)   1Courier NewSymbolxyx1Courier New1Courier NewTimes New RomanTimes New Romanxyx1Courier New1Courier New1Courier New1Courier NewXxVXxVXxVXxV?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd }  d< Pp {2 XUUUUU@XUUUUUXUUUUU@8tf8tf@`bw̫???@@@@@@033333??@@^ߛOw????wIc@,V@@?@ @@@,?P;Z,?@?@?@@dddddddddddddddddddddddddddddddddddddddd 2???$$$????????#V?,?t7B: >,9\vOI9)@:s U;H[ vOI9)@:s ԰h@d<@TmZHl^@(10a/k(1)x + (0)y = a/k2???$$$988I 988I @??????988I @988I `N8,$hWqSp4410-a/k(1)x + (0)y = -a/k2???$$$UЂ'?X>[s?????????UЂ'?X>[s?  / Tf hh acosh(p)a*sqrt(k^2-1)sinh(p)pi/4((x,y) = (acosh(p),a*sqrt(k^2-1)sinh(p))2???$$$UЂ'?@X>[s???????@(@8(knm acosh(p)a*sqrt(k^2-1)*sinh(p)a*k00seg (acosh(p),a*sqrt(k^2-1)*sinh(p)) to (a*k,0)2???$$$988?X>[s?UЂ'?X>[s???????[<? |td|H%5& a*cosh(p)a*sqrt(k^2-1)*sinh(p);a*cosh(p)-1/k*a*sqrt(sinh(p)*sinh(p)(k^2-1)+(cosh(p)-k)^2)a*sqrt(k^2-1)*sinh(p)|seg (a*cosh(p),a*sqrt(k^2-1)*sinh(p)) to (a*cosh(p)-1/k*a*sqrt(sinh(p)*sinh(p)(k^2-1)+(cosh(p)-k)^2),a*sqrt(k^2-1)*sinh(p))2???$$$UЂ'?X>[s???????CDlWXx6x acosh(p)a*sqrt(k^2-1)*sinh(p)-a*k01seg (acosh(p),a*sqrt(k^2-1)*sinh(p)) to (-a*k,0)2???$$$888X>[s?UЂ'?X>[s???????[<?@-L4flguԭv a*cosh(p)a*sqrt(k^2-1)*sinh(p);a*cosh(p)-1/k*a*sqrt(sinh(p)*sinh(p)(k^2-1)+(cosh(p)+k)^2)a*sqrt(k^2-1)*sinh(p)|seg (a*cosh(p),a*sqrt(k^2-1)*sinh(p)) to (a*cosh(p)-1/k*a*sqrt(sinh(p)*sinh(p)(k^2-1)+(cosh(p)+k)^2),a*sqrt(k^2-1)*sinh(p))2???$$$UЂ'X>[s?????????UЂ'X>[s? ĈdJ( -acosh(p)a*sqrt(k^2-1)sinh(p)pi/4)(x,y) = (-acosh(p),a*sqrt(k^2-1)sinh(p))+2 2??@$$$XUUUUUXUUUUU@???????@?$0FP8  sqrt(k^2-1)xy = sqrt(k^2-1)xa*sqrt(k^2-1)*si2 2??@$$$XUUUUUXUUUUU@???????@?l80$DT-sqrt(k^2-1)xy = -sqrt(k^2-1)xh(p)xyz??fffff@HXT@̬?ʭr?>?vOI9)@:s @@@@@@@@@@@@@@@@?@@@@@@@@@@ @ @ @ xx/a^2-yy/(a^2(k^2-1))=1.T@[ZHr2?1Courier New (x,y) = (a*k,0).T@[Z0oT?1Courier New T(x,y) = (-a*k,0).T@[Z(8 vp?1Courier New (1)x + (0)y = a/k*-?$.T@[ZR?1Courier New (1)x + (0)y = -a/kU8.T@[ZG4?1Courier New |(x,y) = (acosh(p),a*sqrt(k^2-1)sinh(p)).T@[Z]ʵ-?1Courier New 4 segment (acosh(p),a*sqrt(k^2-1)*sinh(p))--(a*k,0).T@[Zh?1Courier New segment (a*cosh(p),a*sqrt(k^2-1)*sinh(p))-->(a*cosh(p)-1/k*a.T@[Z8P@(a*cosh(p)-1/k*a .T@[Z)k}?1Courier New L (x,y) = (-acosh(p),a*sqrt(k^2-1)sinh(p))P P.T@[ZQ0ά?1Courier New  y = sqrt(k^2-1)x.T@[Z@3N?1Courier New y = -sqrt(k^2-1)x.T@[Zh@1Courier New @@@h!@