Quiz 9 Name____________ Section___________ TA______________ Determine the radius of convergence as well as the precise interval of convergence for the power series 20(1)3nnnxn∞=+∑. In other words, you should check the endpoints of the interval as well. Please show all work. 221221211)312(2)3323111lim2331nnnxxxnnnnxnnnnρ++→∞⎛⎞+⎜⎟++==⎝⎠+++3x<⇒absolutely convergent 3x>⇒divergent
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This note was uploaded on 05/12/2008 for the course MATH 133 taught by Professor Wei during the Spring '07 term at Michigan State University.