1 3. We have shown in class that f(x)=- Ex" for all values of x in (-1,1) . 1-x n=0 а) Determine a function that would be represented by the power series En(n-1)x"-². n=2 b) What is the radius of convergence of this power series? n-2 c) Use your knowledge from parts (a) and (b) to determine the sum of the series En(n-1)| ÷| n=2

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