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Class 11 Maths (CBSE)
Free notes and practice for every chapter. The Mathactive XI e-book launches 22 November.
New e-book · launching 22 November
Mathemission Book Series · e-book
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.
PDF e-book · download link right after payment · free corrections in future updates
Look inside
Real pages from the book. Tap any page to open the sneak peek.
How every chapter works
Learn the idea, check it, explore it, then test yourself the way the board will.
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.
1. Sets
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on writing of set, finite and infinite sets, etc. | |
Concept Exploration Exercise (CEE)-02 | Based on concepts of subsets, number of subsets, power set. | |
Concept Exploration Exercise (CEE)-03 | Based on various operations on sets. | |
Concept Exploration Exercise (CEE)-04 | Based on union-intersection formula, Venn-diagram, etc. | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 50 plus questions with answers |
2. Relations and Functions
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on Ordered pairs, and Cartesian product of two sets. | |
Concept Exploration Exercise (CEE)-02 | Based on Relation on sets, domain and range. | |
Concept Exploration Exercise (CEE)-03 | Based on Functions, domain, and range. | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 50 plus questions with answers |
3. Trigonometric Functions
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on conversion of units and relation between arc, radius and angle | |
Concept Exploration Exercise (CEE)-02 | Based on sign of T-functions in different quadrants | |
Concept Exploration Exercise (CEE)-03 | Based on reference angle and co-relation identities | |
Concept Exploration Exercise (CEE)-04 | Based on Compound Angle Identities | |
Concept Exploration Exercise (CEE)-05 | Based on Transformation Identities | |
Concept Exploration Exercise (CEE)-06 | Based on Multiple Angle Identities | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 50 plus questions with answers |
4. Complex Numbers and Quadratic Equations
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on power of iota, basic operations on complex numbers, Conjugate, Modulus | |
Concept Exploration Exercise (CEE)-02 | Based on argument of complex number, properties of argument, polar form | |
Concept Exploration Exercise (CEE)-03 | Based on Square root of complex number, cube roots of unity, complex roots equation | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 50 plus questions with answers |
6. Permutations and Combinations
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on Fundamental Counting | |
Concept Exploration Exercise (CEE)-02 | Based on Factorial Calculation | |
Concept Exploration Exercise (CEE)-03 | Based on Permutation | |
Concept Exploration Exercise (CEE)-04 | Based on Combination | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 50 plus questions with answers |
8. Sequences and Series
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on Definition of sequence | |
Concept Exploration Exercise (CEE)-02 | Based on Arithmetic Progression | |
Concept Exploration Exercise (CEE)-03 | Based on Geometric Progression | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 50 plus questions with answers |
9. Straight Lines
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Distance Formula, Area, etc. | |
Concept Exploration Exercise (CEE)-02 | Based on Slope of Line | |
Concept Exploration Exercise (CEE)-03 | Based on Equation of Lines | |
Concept Exploration Exercise (CEE)-04 | Length of perp. Image, Foot of Perp. | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 50 plus questions with answers |
10. Conic Sections
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on Circles | |
Concept Exploration Exercise (CEE)-02 | Based on Parabola | |
Concept Exploration Exercise (CEE)-03 | Based on Ellipse | |
Concept Exploration Exercise (CEE)-04 | Based on Hyperbola |
12. Limits and Derivatives
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on Evaluating the Limits | |
Concept Exploration Exercise (CEE)-02 | Based on Derivatives | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 50 plus questions with answers |
13. Statistics
Types of material | Short Description | Download |
Revision Note | Chapter synopsis for quick revision | |
Concept Exploration Exercise (CEE)-01 | Based on Mean Deviation | |
Concept Exploration Exercise (CEE)-02 | Variance and Standard Deviation | |
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 | |
Concept Exploration Exercise (CEE)-01 | Based on Describing the Events | |
Concept Exploration Exercise (CEE)-02 | Finding Out the Probabilities | |
Learning Progress Assignment (LPA) | Based on all the topics, contains 20 plus questions with answers | Download |




