Question: 4. (15 points) Consider the following infinite sum 1 = + OO | 2k . k=1 (a) (5 points) Beginning with a square of side

4. (15 points) Consider the following infinite4. (15 points) Consider the following infinite
4. (15 points) Consider the following infinite sum 1 = + OO | 2k . k=1 (a) (5 points) Beginning with a square of side 1, give a geometric representation of this sum. What do each term correspond to within your representation?(b) (10 points) Say we want to use the method of exhaustion to prove _k=1 2 121 (greater than or equal to). For any given e E (0, 1), find a positive integer Ne such that the sum of the first Ne of these terms exceeds 1 - E

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