/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 4 The sum Sn聽of the first n聽term... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 12: Q. 4 (page 816)

The sum Snof the first nterms of an arithmetic sequence anwhose first term isa1 can be found using the formulaSn=n2a1+an.

Short Answer

Expert verified

The solution is true.

Step by step solution

01

Step 1. Given information 

The sum Snof the first nterms of an arithmetic sequence anwhose first term is a1can be found using the formulaSn=n2a1+an.

02

Step 2. Calculation

The statement " the sum Snof the first nterms of an arithmetic sequence anwhose first term is a1can be found using the formulaSn=n2a1+an" is true.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

In Problems 51鈥�66, determine whether each infinite geometric series converges or diverges. If it converges, find its sum.

6+2+23+.....

In Problems 11鈥�16, evaluate each factorial expression.

5!8!3!

In Problems 17鈥�28, write down the first five terms of each sequence.

bn=2n+12n

In Problems 17鈥�28, write down the first five terms of each sequence.

tn=(-1)n(n+1(n+2)

In Problems 61鈥�70, express each sum using summation notation.

a+ar+ar2+.....+arn-1
See all solutions

Recommended explanations on Math Textbooks

Decision Maths

Read Explanation

Mechanics Maths

Read Explanation

Probability and Statistics

Read Explanation

Logic and Functions

Read Explanation

Statistics

Read Explanation

Discrete Mathematics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.