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Question 5 Exercise 4.1
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istan. =====Question 5(i)===== Write each of the following series in expanded form, $\sum_{j=1}^6(2 j-3)$ ==... lign} =====Question 5(ii)===== Write each of the following series in expanded form, $\sum_{k=1}^5(-1)^k 2^{k... ign} =====Question 5(iii)===== Write each of the following series in expanded form, $\sum_{j=1}^{\infty} \df... lign} =====Question 5(iv)===== Write each of the following series in expanded form, $\sum_{k=0}^{\infty}\lef
Question 11 & 12 Exercise 4.5
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each term is four times the sum of all the terms following it, therefore\\ \begin{align}a_1&=4(a_1 r+a_1 r^2