( t ( 1 ) − 1 ) ( t ( 2 ) − 1 ) ( t ( 3 ) − 1 ) ( t ( 2 ) t ( 3 ) + 1 ) 2 t ( 1 ) t ( 2 ) 3 / 2 t ( 3 ) 3 / 2 {\displaystyle {\frac {(t(1)-1)(t(2)-1)(t(3)-1)(t(2)t(3)+1)^{2}}{{\sqrt {t(1)}}t(2)^{3/2}t(3)^{3/2}}}}
