Arithmetic Series - - Reiny

Consider the series defined by Sn = 3n-1

Find the first four terms of the series.

How exactly do I do this?

  1. 👍
  2. 👎
  3. 👁
  1. S1= 3*1 -1 = 2
    S2 = 3*2 -1 = 5
    S3 = 3*3 -1 = 8
    etc.

    1. 👍
    2. 👎
  2. keep increasing N

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. maths

    An arithmetic series has first term 5 and a common difference 7 a) write down the 4th term and the 23rd term b) find the sum of the first 38 terms of this series.

  2. math B30

    If the seventh term of a geometric series is 192, and the first term is 3, find the sum of the first 8 terms of the series

  3. mathematics

    The common ratio of a geometric series is 1/3 and the sum of the first 5 terms is 121. a) What is the value of the first term? b) Write the first 5 terms of the series.

  4. Mathematics

    The sum of the first n terms os the series is given Sn=2n(n+3). Show that the terms of the series forms an arithmetic progression.

  1. math help

    the sum of the first two terms in a geometric series is 12. the sum of the first three terms of the same series is 62. determine the first four terms of the series.

  2. Calculus

    By recognizing each series below as a Taylor series evaluated at a particular value of x, find the sum of each convergent series. A) 1+5 + (5^2)/(2!)+(5^3)/(3!)+(5^4)/(4!)+...+ (5^k)/(k!)+...= B)

  3. math

    The sum of the 1st nine terms of an arithmetic series is 216. The 1st,3rd and the 7th terms of series form the 1st three terms of a geometric series. Find the 1st term and the constant difference of the arithmetic series ?

  4. mathematics

    the 1st term of arithmetic series is 2 .the 1st ,3rd and 11th terms are the first the terms of a geometric series. find the 6 terms of the arithemetic series

  1. Math

    An arithmetic series has first term -50 and common difference 4. How many terms are in the series so that the sum of the series first exceeds 100?

  2. Mathematics

    The sum of the first 6 terms of a geometric series with a common ratio of 2 is given by 126. Calculate the 5th term of the series

  3. math

    in a geometric series t1=23,t3=92 and the sum of all of the terms of the series is 62 813. how many terms are in the series?

  4. calculus

    Use multiplication of power series to find the first three non-zero terms of the Maclaurin series of e^x ln(1 − x).

You can view more similar questions or ask a new question.