Expression 40: "T" Subscript, 1 , Baseline equals StartFraction, negative "m" Subscript, 3 , Baseline "H" Subscript, 1 , Baseline plus "H" Subscript, 2 , Baseline minus StartNestedFraction, "O" Subscript, 1 , Baseline NestedOver "m" Subscript, 3 , Baseline , EndNestedFraction minus "O" Subscript, 2 , Baseline Over StartNestedFraction, negative 1 NestedOver "m" Subscript, 3 , Baseline , EndNestedFraction minus "m" Subscript, 3 , Baseline , EndFractionT1=−m3H1+H2−O1m3−O2−1m3−m3