�ySEOƒeƒLƒXƒg�z‰F“c—Yˆê�uŒÃ“T•¨—�Šw�v�y1c1�z�Ît0,A�¸R;�y1c1a�zand�y1c1b�z�y1c1a�zƒ¿<0
and a(3)<bE/H and t0=ƒÎƒÀ/(-ƒ¿�ã-ƒ¿)and A=ƒÎ/�ã-ƒ¿�y1c1b�z�Ít�¸R({4});�Ín�¸Z;[-t0�…t(4)-2nt0�…0�Ë�y1c1b1�z]and[0�…t(4)-2nt0�…t0�Ë�y1c1b2�z]�y1c1b1�z�Îz�¸R;z=Ef(t,1,1)+b
and t(4)=2nt0-1/ƒ¿�ヿz2+2ƒÀz+c+ƒÀ/ƒ¿�ã-ƒ¿cos-1(ƒ¿z+ƒÀ/�ãƒÀ2-ƒ¿c)and f(t,2,1)=a(2)[2nA-1/�ã-ƒ¿cos-1(ƒ¿z+ƒÀ/�ãƒÀ2-ƒ¿c)]and
f(t,3,1)=E/Ht(4)+1/EH�ヿz2+2ƒÀz+c�y1c1b2�z�Îz�¸R;z=Ef(t,1,1)+b and t(4)=2nt0+1/ƒ¿�ヿz2+2ƒÀz+c-ƒÀ/ƒ¿�ã-ƒ¿cos-1(ƒ¿z+ƒÀ/�ãƒÀ2-ƒ¿c)and
f(t,2,1)=a(2)[2nA+1/�ã-ƒ¿cos-1(ƒ¿z+ƒÀ/�ãƒÀ2-ƒ¿c)]and f(t,3,1)=E/Ht(4)-1/EH�ヿz2+2ƒÀz+c�y1c2�z�Ît0,A�¸R;�y1c2a�zand�y1c2b�z�y1c2a�zƒ¿<0
and a(3)<bE/H and t0=ƒÎƒÀ/(-ƒ¿�ã-ƒ¿)and A=ƒÎ/�ã-ƒ¿�y1c2b�z�Ít�¸R({4});�Ín�¸Z;[-t0�…t(4)-2nt0�…0�Ë�y1c2b1�z]and[0�…t(4)-2nt0�…t0�Ë�y1c2b2�z]�y1c2b1�z�Îz�¸R;z=Ef(t,1,1)+b
and t(4)=2nt0+1/ƒ¿�ヿz2+2ƒÀz+c+ƒÀ/ƒ¿�ã-ƒ¿cos-1(-ƒ¿z-ƒÀ/�ãƒÀ2-ƒ¿c)and f(t,2,1)=a(2)[2nA-1/�ã-ƒ¿cos-1(-ƒ¿z-ƒÀ/�ãƒÀ2-ƒ¿c)]and
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