(1 point) Match each of the Maclaurin series with correct function. (-1)n220 2n 1 . n=0 (2n)! (-1)" 2x 2n+1 2. n=0 2n + 1 2x 2n+1 3. n=0 (2n + 1)! 4. n=0 n! A. cos(2x) B. e21 C. 2 sin(x) D. 2 arctan(x)