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Question 9 Review Exercise

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13+21+31+\ldots$ ====Solution==== Using method of differences to compute the sum of the given series. \begin{a... +5+14+41+\ldots$ ====Solution==== Using method of differences to compute the sum of the given series. \begin{a

Question 3 Exercise 5.3

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+40+\ldots$ ====Solution==== We use the method of difference as: \begin{align} & a_2-a_1=10-4=6 \\ & a_3-a_2=1