Expression 4: left parenthesis, StartFraction, pi Over 2 , EndFraction , StartFraction, ln left parenthesis, StartRoot, 2 , EndRoot plus 1 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisπ2,ln2+12
4
Expression 5: left parenthesis, StartFraction, 3 pi Over 4 , EndFraction , StartRoot, 2 , EndRoot ln left parenthesis, StartFraction, left parenthesis, StartRoot, 2 , EndRoot plus 1 , right parenthesis Over StartRoot, 3 , EndRoot , EndFraction , right parenthesis , right parenthesis3π4,2ln2+13
5
Expression 6: left parenthesis, pi , StartFraction, ln left parenthesis, StartRoot, 2 , EndRoot plus 1 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisπ,ln2+12