00 (a) Starting with the geometric series x" , find the sum of the series n = 0 E nxn - 1, |x| < 1. n = 1 1. 1-x (b) Find the sum of each of the following series. (i) E nx", |x| < 1 n = 1 1-x 00 (ii) E Σ n n = 1 6. 25

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