1 00 1 _ x = 2 x\" for |x|

1 6 xn for IXI < 1 to expand the function Use the equation in a power series with center c = O 1 x4 (Express numbers in exact form. Use symbolic notation and fractions where needed.) 6 1 x4 Determine the interval of convergence. (Give your answer as an interval in the form (*,*). Use the symbol oo for infinity, U for combining intervals, and an l' depending on whether the interval is open or closed. Enter if the interval is empty. Expre type of parenthesis ( , numbers in exact form. Use symbolic notation and fractions where needed.)