Hits: 22
Hits: 22 Question A sequence is defined by , , Where is a constant. a) Write down an expression for in terms of k. b) Show that . Given that , c) Find the value of k. Solution a) We are given that sequence is defined by We are required to find . We can utilize the […]
Hits: 99 Question A 40-year building programme for new houses began in Oldtown in the year 1951 (Year 1) and finished in 1990 (Year 40). The numbers of houses built each year form an arithmetic sequence with first term a and common difference d. Given that 2400 new houses were built in 1960 and 600 new […]
Hits: 54 Question The first term of an arithmetic series is a and the common difference is d. The 18th term of the series is 25 and the 21st term of the series is . a. Use this information to write down two equations for a and d. b. Show that a = –17.5 and find […]