Now, if we subtract the second equation from the first, the 1/2, 1/4, 1/8, etc all cancel, and we get S (1/2)S = 1 which means S/2 = 1 and so S = 2 This same technique can be used to find the sum of any "geometric series", that it, a series where each term is some number rBy MSUKent Plays Quiz Updated Rate 5 stars Rate 4 stars Rate 3 stars Rate 2 stars Rate 1 star Support Sporcle Go Orange Get the adfree and most optimal, full A Computer Science portal for geeks It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions
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