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For the series below, (a) find the series' radius and interval of convergence. For what values of x does the series converge (b) absolutely, (c) conditionally? 81 x4 Determine the interval of convergence. Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The interval of convergence is (Type a compound inequality. Simplify your answer. Use integers or fractions for any numbers in the expression.) B. The series converges only at x = (Type an integer or a simplified fraction.) O C. The series converges for all values of x. (b) For what values of x does the series converge absolutely? Select the correct choice below and, if necessary, fill in the answer box to complete your choice CA The series converges absolutely for (Type a compound inequality. Simplify your answer. Use integers or fractions for any numbers in the expression.) OB. The series converges absolutely at x = (Type an integer or a simplified fractight) camhumane abrahitch for all union of w