Chapter 5: Arithmetic Progressions

Class 10 CBSE - Master arithmetic sequences, nth term, and sum of n terms.

About This Chapter

Learn about arithmetic progressions (AP), find the nth term using aₙ = a + (n-1)d, and calculate sum of first n terms using Sₙ = n/2[2a + (n-1)d].

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Chapter Sections

1

Introduction

Patterns and sequences in daily life.
2

Arithmetic Progressions

Definition, first term, common difference.

First Term (a)Common Difference (d)
3

nth Term of an AP

aₙ = a + (n-1)d formula.

General Term
4

Sum of First n Terms

Sₙ = n/2[2a + (n-1)d].

Sum Formula
5

Exercise 5.1

Practice problems.
6

Exercise 5.2

Practice problems.
7

Exercise 5.3

Practice problems.
8

Summary

Chapter summary.
9

Enhanced Curriculum Support

Additional resources.