Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 12: Q. 68 (page 817)

Make up an arithmetic sequence. Give it to a friend and ask for its twentieth term.

Short Answer

Expert verified

Twentieth term is 43

Step by step solution

01

Given Information 

Make up an arithmetic sequence. Give it to a friend and ask for its twentieth term.

02

Assume an Arithmetic sequence. 

Lets assume an arithmetic sequence. 5,7,9,11......

First term is 5

difference between the terms is 2

find out 20th term

03

find out 20th term 

Use nth term formula

an=a1+(n-1)dn=20,a1=5d=2a20=5+(20-1)2a20=5+(20-1)2a20=43

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.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

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 61–70, express each sum using summation notation.

13+23+33+....+83

If $1000is invested at 4%per annum compounded semiannually, how much is in the account after 2 years?

True or False. A function is a relation between two sets D

and R so that each element x in the first set D is related to exactly one element y in the second set R.

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

23-49+827-........+-1122311

In Problems 37–50, a sequence is defined recursively. Write down the first five terms.

a1=1;an=n-an-1
See all solutions

Recommended explanations on Math Textbooks

Geometry

Read Explanation

Mechanics Maths

Read Explanation

Discrete Mathematics

Read Explanation

Calculus

Read Explanation

Logic and Functions

Read Explanation

Probability and Statistics

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.

Sign-up for free