Expressão 9: "t" Subscript, "e" , Baseline equals min left parenthesis, "t" Subscript, "r" , Baseline , "t" Subscript, "m" "a" "x" , Baseline minus "t" , right parenthesiste=mintr,tmax−t
9
Expressão 10: "R" equals StartFraction, left parenthesis, "r" Subscript, "r" , Baseline times "t" Subscript, "e" , Baseline plus "r" times "t" , right parenthesis Over 2 , EndFractionR=rr·te+r·t2