Question: Question 5 (6 points) (a) Write a formula for the nth term of the sequence, 128, 32, 8, 2, ... (2) (b) (i) Establish that

Question 5 (6 points) (a) Write a formula for the nth

Question 5 (6 points) (a) Write a formula for the nth term of the sequence, 128, 32, 8, 2, ... (2) (b) (i) Establish that the infinite series given by 2 - 1 32 256 + . is convergent. (2) (ii) Find the sum of this series. (2)

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