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Find the interval of convergence of the series. on (320" Z 4.. n=1 (Use symbolic notation and fractions where needed. Give your answers as intervals in the form (ac, 2:). Use symbol 00 for innity, U for combining intervals, and appropriate type of parenthesis " ( , ) " , " [" or " " depending on Whether the interval is open or closed. Enter DNE if interval is empty.) lnco rrect Find the interval of convergence of the series. 2 (3X)" n - 4" ":1 (Use symbolic notation and fractions where needed. Give your answers as intervals in the form (ac, 2:). Use symbol 00 for innity, U for combining intervals, and appropriate type of parenthesis " ( , ) " , " [" or " " depending on Whether the interval is open or closed. Enter DNE if interval is empty.) r44\\