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HORT AN§WER. Writethe word or phrase that best completes each statement or answers the question.
Provide an a propriate response. N/
1) Explain the difference between a
and then apply Theorem 1 [3, pages 226-7].
However, using ingf is easier and more elegant. Once again we can nd
1% = E(etX) for this function, take derivatives, and set if 2 0 in the rst
and second derivative and apply Theorem 1. Here are the steps.