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Class 11 Maths (CBSE)

Free notes and practice for every chapter. The Mathactive XI e-book launches 22 November.

Cover of Mathactive XI, Mathematics for Class XI (CBSE) by Ashutosh Kumar

New e-book · launching 22 November

Mathactive XI

Mathematics for Class XI (CBSE). Theory, Quick Revision, and every CEE and LPA on this page with answers and solutions, in one linked e-book.

14 chapters43 exercises14 board-pattern tests1500+ questions284 pages
₹249
Buy button opens 22 Nov, 10 AM Sneak peek (PDF) →

PDF e-book · download link right after payment · free corrections in future updates

How every chapter works

Learn the idea, check it, explore it, then test yourself the way the board will.

01TheoryDefinitions, theorems and solved examples, numbered by chapter.
02Quick RevisionOne table of key results, plus a Common Mistakes box.
03CEEConcept Exploration Exercises with answers and brief solutions.
04LPAA full test in the CBSE board pattern, Sections A to E.
05SolutionsKey-step solutions for every LPA, one click from each question.
Fully linked e-bookContents, Quick Revision references and every LPA question and its solution are one click apart, both ways.
Know what to skipTopics removed from the current CBSE syllabus are tagged, so you can skip them for the board and keep them for competitive exams.
The CEE and LPA for every chapter are free to download below. The book adds the theory, answers and solutions.Go to the free exercises ↓

Questions about the e-book

What do I get?

A 284-page PDF e-book. After payment you get a download link (3 downloads, valid for 7 days) by email and on the order page.

Does it follow the current CBSE syllabus?

Yes, in NCERT chapter order. Topics removed from the syllabus but kept for understanding are clearly tagged.

Are the free CEE and LPA PDFs the same as in the book?

Yes. The book adds the theory, Quick Revision, answers and brief solutions to every CEE, and answers with key-step solutions to every LPA.

Found a mistake?

Please tell me. Email mathactiveonly@gmail.com with the chapter, page and question number — a photo of the page helps.

I read every email and reply personally, with a full explanation: either the corrected working, or why the printed answer is right.

Every confirmed correction goes into the next update of the book, and if you bought it, I'll email you the corrected PDF free.

Free · every chapter

Free study materials, chapter by chapter

Revision notes, Concept Exploration Exercises (CEE) and a Learning Progress Assignment (LPA) for every chapter. Download, print and practise.

Notes quick revisionCEE topic-wise practiceLPA full chapter test

1. Sets

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on writing of set, finite and infinite

sets, etc.

Download

Concept Exploration Exercise

(CEE)-02

Based on concepts of subsets, number of

subsets, power set.

Download

Concept Exploration Exercise

(CEE)-03

Based on various operations on sets.

Download

Concept Exploration Exercise

(CEE)-04

Based on union-intersection formula,

Venn-diagram, etc.

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 50 plus

questions with answers

Download

2. Relations and Functions

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on Ordered pairs, and Cartesian product of

two sets.

Download

Concept Exploration Exercise

(CEE)-02

Based on Relation on sets, domain and range.

Download

Concept Exploration Exercise

(CEE)-03

Based on Functions, domain, and range.

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 50 plus

questions with answers

Download

3. Trigonometric Functions

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on conversion of units and

relation between arc, radius and angle

Download

Concept Exploration Exercise

(CEE)-02

Based on sign of T-functions in

different quadrants

Download

Concept Exploration Exercise

(CEE)-03

Based on reference angle and

co-relation identities

Download

Concept Exploration Exercise

(CEE)-04

Based on Compound Angle Identities

Download

Concept Exploration Exercise

(CEE)-05

Based on Transformation Identities

Download

Concept Exploration Exercise

(CEE)-06

Based on Multiple Angle Identities

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 50 plus

questions with answers

Download

4. Complex Numbers and Quadratic Equations

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on power of iota, basic operations

on complex numbers, Conjugate, Modulus

Download

Concept Exploration Exercise

(CEE)-02

Based on argument of complex number,

properties of argument, polar form

Download

Concept Exploration Exercise

(CEE)-03

Based on Square root of complex number,

cube roots of unity, complex roots equation

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 50 plus

questions with answers

Download

5. Linear Inequalities

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)

Based on everything

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 25 plus

questions with answers

Download

6. Permutations and Combinations

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on Fundamental Counting

Download

Concept Exploration Exercise

(CEE)-02

Based on Factorial Calculation

Download

Concept Exploration Exercise

(CEE)-03

Based on Permutation

Download

Concept Exploration Exercise

(CEE)-04

Based on Combination

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 50 plus

questions with answers

Download

7. Binomial Theorem

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)

Based on using Binomial Theorem

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 25 plus

questions with answers

Download

8. Sequences and Series

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on Definition of sequence

Download

Concept Exploration Exercise

(CEE)-02

Based on Arithmetic Progression

Download

Concept Exploration Exercise

(CEE)-03

Based on Geometric Progression

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 50 plus

questions with answers

Download

9. Straight Lines

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Distance Formula, Area, etc.

Download

Concept Exploration Exercise

(CEE)-02

Based on Slope of Line

Download

Concept Exploration Exercise

(CEE)-03

Based on Equation of Lines

Download

Concept Exploration Exercise

(CEE)-04

Length of perp. Image, Foot of Perp.

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 50 plus

questions with answers

Download

10. Conic Sections

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on Circles

Download

Concept Exploration Exercise

(CEE)-02

Based on Parabola

Download

Concept Exploration Exercise

(CEE)-03

Based on Ellipse

Download

Concept Exploration Exercise

(CEE)-04

Based on Hyperbola

Download

11. Introduction to Three Dimensional Geometry

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)

All Topics

Download

12. Limits and Derivatives

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on Evaluating the Limits

Download

Concept Exploration Exercise

(CEE)-02

Based on Derivatives

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 50 plus

questions with answers

Download

13. Statistics

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on Mean Deviation

Download

Concept Exploration Exercise

(CEE)-02

Variance and Standard Deviation

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 20 plus

questions with answers

Download

14. Probability

Types of material

Short Description

Download

Revision Note

Chapter synopsis for quick revision

Download

Concept Exploration Exercise

(CEE)-01

Based on Describing the Events

Download

Concept Exploration Exercise

(CEE)-02

Finding Out the Probabilities

Download

Learning Progress Assignment

(LPA)

Based on all the topics, contains 20 plus

questions with answers

Download

Stuck on a question?Mathactive XI has the theory, answers and solutions for every CEE and LPA above.
See Mathactive XI ↑
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