There are two extremely important sequences that we will discuss in this chapter: arithmetic sequence and geometric sequence. One of the key step is to identify/distinguish them apart and find the key feature (common difference for arithmetic and common quotient for geometric sequence). For the following sequence, identify as arithmetic or geometric sequence. If it is arithmetic, find the common difference; if it is geometric, find the common ratio. 1) 31 1 2 S 2) a (5,5.5, 6, 6.5, 7, 7.5,-) 3) a = {√√2,2√2,3√2,4√2,...}
There are two extremely important sequences that we will discuss in this chapter: arithmetic sequence and geometric sequence. One of the key step is to identify/distinguish them apart and find the key feature (common difference for arithmetic and common quotient for geometric sequence). For the following sequence, identify as arithmetic or geometric sequence. If it is arithmetic, find the common difference; if it is geometric, find the common ratio. 1) 31 1 2 S 2) a (5,5.5, 6, 6.5, 7, 7.5,-) 3) a = {√√2,2√2,3√2,4√2,...}
Chapter12: Sequences, Series And Binomial Theorem
Section: Chapter Questions
Problem 327PT: Find the twenty-third term of an arithmetic sequence whose seventh term is 11 and common difference...
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