Expression 3: StartFraction, "x" squared "e" Superscript, "x" , Baseline Over 2 , EndFractionx2ex2
3
Expression 4: "e" Superscript, "x" , Baseline minus left parenthesis, 1 plus StartFraction, "x" Over "n" , EndFraction , right parenthesis Superscript, "n" , Baselineex−1+xnn
4
Expression 5: StartFraction, "x" squared "e" Superscript, "x" , Baseline Over 2 "n" , EndFractionx2ex2n