Power Seriesmedium
0:00.0

If g(x)=n=0(1)nx2n2n(n!)2g(x) = \sum_{n=0}^{\infty} (-1)^n \frac{x^{2n}}{2^n (n!)^2}, what is 01g(x)dx\int_0^1 g(x) \, dx in terms of a known function? (Choose the closest match.)