1) Write down the 10th and 19th terms of the arithmetic Progressions 8, 11, 14, . ..

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter8: Sequences And Series
Section8.5: Mathematical Induction
Problem 29E
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Chapter 6 Sequences and Series
1) Write down the 10th and 19th terms of the arithmetic Progressions 8, 11, 14, ...
2) Find the 10th and 20th terms of the geometric progression with first term 3 and common
ratio 2.
3) A geometric progression has first term a = 1. The ninth term exceeds the fifth term by
240. Find possible values for the eighth term.
4) (a) Find the sum to the 15th term of the arithmetic series 4+10+16+22+28+.
(b) Find the sum to the 15th term of the geometric series
3+6+12+24+48+.
5) The sum to 20 terms of an arithmetic series is identical to the sum to 22 terms. If the
common difference is – 2, find the first term.
6) Use the binomial theorem to expand (1 – x/2).
7) Write down the power series expansion for cos2x.
Transcribed Image Text:Chapter 6 Sequences and Series 1) Write down the 10th and 19th terms of the arithmetic Progressions 8, 11, 14, ... 2) Find the 10th and 20th terms of the geometric progression with first term 3 and common ratio 2. 3) A geometric progression has first term a = 1. The ninth term exceeds the fifth term by 240. Find possible values for the eighth term. 4) (a) Find the sum to the 15th term of the arithmetic series 4+10+16+22+28+. (b) Find the sum to the 15th term of the geometric series 3+6+12+24+48+. 5) The sum to 20 terms of an arithmetic series is identical to the sum to 22 terms. If the common difference is – 2, find the first term. 6) Use the binomial theorem to expand (1 – x/2). 7) Write down the power series expansion for cos2x.
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