Expression 25: "T" Subscript, 1 , Baseline equals StartFraction, "m" Subscript, 1 , Baseline "C" Subscript, 1 , Baseline minus "C" Subscript, 2 , Baseline plus StartNestedFraction, 1 NestedOver "m" Subscript, 1 , Baseline , EndNestedFraction "M" Subscript, 1 , Baseline plus "M" Subscript, 2 , Baseline Over "m" Subscript, 1 , Baseline plus StartNestedFraction, 1 NestedOver "m" Subscript, 1 , Baseline , EndNestedFraction , EndFractionT1=m1C1−C2+1m1M1+M2m1+1m1