Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic expression. Give an exact answer. Then, use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.\\
$\ln \sqrt{x + 1} = 1$\
Solve the equation. What is the exact solution? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.