Expression 1: "x" times StartFraction, left parenthesis, "e" Superscript, ln left parenthesis, 1 plus "e" Superscript, "x" , Baseline , right parenthesis , Baseline minus "e" Superscript, negative ln left parenthesis, 1 plus "e" Superscript, "x" , Baseline , right parenthesis , Baseline , right parenthesis Over left parenthesis, "e" Superscript, ln left parenthesis, 1 plus "e" Superscript, "x" , Baseline , right parenthesis , Baseline plus "e" Superscript, negative ln left parenthesis, 1 plus "e" Superscript, "x" , Baseline , right parenthesis , Baseline , right parenthesis , EndFractionx·eln1+ex−e−ln1+exeln1+ex+e−ln1+ex
1
Expression 2: StartFraction, "x" Over 1 plus "e" Superscript, negative "x" , Baseline , EndFractionx1+e−x