Define a function for by
Prove that
Proof. First, we compute and using the definition of above, and the properties of the exponential established in the previous exercise (Section 6.17, Exercise #36), we have
Therefore,
Define a function for by
Prove that
Proof. First, we compute and using the definition of above, and the properties of the exponential established in the previous exercise (Section 6.17, Exercise #36), we have
Therefore,