NCERT NCERT Book PDF Class 11 Maths Chapter 7 Binomial Theorem

Download the Class 11 Maths Chapter 7 Binomial Theorem NCERT Book PDF, the official 2026-27 NCERT textbook chapter. It gives a formula to expand (a + b)ⁿ for any positive integer n, a result used across algebra and probability tested in the Boards, JEE Main, JEE Advanced and CUET.

• Official NCERT 2026-27 chapter, clean and print-ready.
• Covers the binomial theorem, general term and middle term.
• Read it alongside the solved exercises and the formula sheet linked below.

This Class 11 Maths Chapter 7 Binomial Theorem NCERT Book PDF is the official 2026-27 NCERT text, checked page by page against the latest edition.

What Class 11 Maths Chapter 7 Binomial Theorem Covers

The chapter introduces the expansion of a binomial raised to a positive integer power using binomial coefficients, and then studies the general and middle terms of that expansion. The official NCERT sections are listed below.

Key Concepts You Will Study

Students should read the chapter with a pen and note each formula as it appears. The ideas are compact but appear again in probability and series.

• The binomial theorem for the expansion of (a + b)ⁿ.
• The binomial coefficients ⁿC_r and Pascal's triangle.
• The general term T_r+1 in the expansion.
• The middle term and how it depends on whether n is even or odd.
• Finding a particular term or coefficient without full expansion.

Why Download the NCERT Book PDF for This Chapter

The NCERT textbook is the single most important source for the CBSE exam, and most JEE and CUET questions from this chapter are built directly on its examples.

• Every Board question on expansions and terms comes from this text or its exercises.
• The worked examples show how to use the general term to find any coefficient.
• Reading offline from the PDF avoids missing any small index rule.

How to Use the NCERT Book PDF for Binomial Theorem

Read the chapter once fully, then work through it a second time with the exercises open. A short, ordered plan keeps the term formulas clear.

• Read each section, then write its formula in your own words in a single line.
• Build Pascal's triangle by hand before using the coefficient formula.
• Solve the in-text examples before looking at the given solution.
• Attempt the back exercises, then check them against the NCERT Solutions below.

Other Class 11 Maths Binomial Theorem Resources

Pair the textbook PDF with the solved answers, revision notes and formula sheet for the same chapter.

FAQs on Class 11 Maths Chapter 7 NCERT Book PDF