Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 7RE: An arithmetic sequence has the first term a1=18 and common difference d=8 . What are the first five...
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In an Arithmetic Progression the 8th term plus the 4th term equals the 13th term. If the 18th term is 76 what is the sum of the first 20 terms.?
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