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b. Consider the following infinite geometric series: OC 3 3 = + + . . n-1 4 16 64 i. Use the ratio test to

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b. Consider the following infinite geometric series: OC 3 3 = + + . . n-1 4 16 64 i. Use the ratio test to show that the series converges. (3 marks) ii. Identify the first term and common ratio in this infinite geometric series and hence find an exact value for the sum. (2 marks)

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