For all the t-values for which it converges, the function h is defined by the series
Chapter 0, Problem 73(choose chapter or problem)
For all the t-values for which it converges, the function h is defined by the series h(t) = + n=0 (1)n t 2n (2n)!. (a) What is the domain of h? (b) Is h odd, even, or neither? (c) Assuming that derivatives can be computed term by term, show that h(t) = h(t).
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