Expression 2: StartFraction, 1 Over left parenthesis, "e" minus 1 , right parenthesis , EndFraction plus StartFraction, "x" ln left parenthesis, StartNestedFraction, 1 NestedOver "x" , EndNestedFraction , right parenthesis Over left parenthesis, "e" minus 1 , right parenthesis squared , EndFraction left brace, "x" greater than or equal to 0 , right brace1e−1+xln1xe−12x≥0
2
Expression 3: StartFraction, 1 Over "e" minus left parenthesis, 1 plus StartNestedFraction, 1 NestedOver "x" , EndNestedFraction , right parenthesis Superscript, "x" , Baseline , EndFraction left brace, "x" greater than or equal to 0 , right brace1e−1+1xxx≥0