It's going to be equal to 1 over s to the third over e to the minus st over e to the minus st over e to the minus st over s e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st, e to the minus st.