WebMar 30, 2024 · Transcript. Ex 9.1 , 2 Write the first five terms of the sequences whose nth term is an = n/(n + 1) We need to find first five terms i.e. a1, a2, a3 , a4, a5 Given an = n/(n + 1) Putting n = 1 in (1) a1 = 1/(1+1) a1 = 1/2 Putting n = 2 in (1) "a2 = " 2/(2+1) " " a2 "= " 2/3 Putting n = 3 in (1) "a3 = " 3/(3+1) " " a3 "= " 3/4 Putting n = 4 in (1) "a4 = " 4/(4+1) " " … WebTo find the sum of the first n terms of an arithmetic sequence use the formula, S n = n ( a 1 + a 2) 2 , where n is the number of terms, a 1 is the first term and a n is the last term. Example 1: Find the sum of the first 20 terms of the arithmetic series if a 1 = 5 and a 20 = 62 . S 20 = 20 ( 5 + 62) 2 S 20 = 670.
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WebMar 26, 2024 · Like that, you can write the first five terms very easily. Example: Question: Evaluate the first five terms of the equation a n = 2n -1 where, n = 1,2,3,4,5. Solution: … WebCalculus questions and answers. List the first five terms of the sequence. 2n + 5 an n! + 5 а1 а а 2 а З а2 аз ад as. off the eaten path tours saturday
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WebA Fibonacci sequence is a sequence of numbers in which each term is the sum of the previous two terms. It is represented by the formula a_n = a_ (n-1) + a_ (n-2), where a_1 = 1 and a_2 = 1. This formula states that each term of the sequence is the sum of the previous two terms. WebFeb 25, 2016 · How do you find the sum of the first 10 terms of the following geometric sequence 5, 10, 20, 40, 80, …….? Weba1 = 4, an+1 = an/(an-1) List the first five terms of the sequence. my favorite things english lesson