Sir William Rowan Hamilton on Equations of the Fifth Degree. 341 



^12345 = — 5a + B/3 + C7 + dS ; 

 <i3J64 = — 5a + B/3 — C7 — d8 ; 

 'i4S23 = — 5a — B/3 + C7 — d8; 

 ^.5432 = — 5a — B^ — C7 + d8 ; 



(24) 



'^53 = — 5a + B7 + c8 + Dp; 

 <i423s = — 5a + B7 — c8 — D/3; 



(25) 



(26) 



(27) 



(28) 



(29) 



