The Bihar board 12th Maths syllabus for 2025-26 features six units and is set for 100 marks. Students must secure at least 30 percent to pass, as there's no internal assessment. It's vital to download the latest PDF to understand all topics, sub-topics, and the marking scheme effectively. The exam is a 3-hour, pen-and-paper test, so early preparation using the syllabus and sample papers is highly recommended. This strategy helps students prepare according to the exam pattern and marking distribution.
Table of Contents
The Bihar board 12th Maths syllabus 2025-26 carries six units and will be conducted for 100 marks. The Math syllabus class 12 Bihar board includes important chapters such as Matrices, Determinants, Application of Derivatives, Integrals, Differential Equations, Applications of the Integrals, etc.
There will be no internal assessment for BSEB 12th Maths, and students must score at least 30 percent to pass the exam. Furthermore, students must start their preparation as per the latest Bihar Board 12th 2025-26 syllabus, which will allow them to prepare according to the paper's marking scheme and pattern of the Bihar Board 12th exam 2026. Students can also refer to the BSEB 12th sample papers to strengthen their preparation skills.
Students must download the Bihar board 12th Maths syllabus 2025-26 to understand the topic-wise chapters and their sub-topics. Moreover, the Mathematics paper will be conducted for 3 hours in pen and paper mode. The 12th Maths syllabus Bihar board download PDF is provided below for the student's reference.
| Particulars | PDF Link |
| Bihar Board 12th Maths Syllabus | Download Now |
The class 12 maths syllabus Bihar Board 2025 is designed to equip students with various Math topics to complete their endeavors. The BSEB Maths is one of the most crucial subjects in students' lives as it will help them in their professional courses such as engineering in universities. The detailed unit-wise topics and sub-topics are mentioned below.
The detailed unit 1 BSEB 12th Maths syllabus is tabulated below for the students' reference.
| Chapters | Topics |
| Relations and Functions | Types of relations: reflexive, symmetric, transitive, and equivalence relations. One-to-one and functions |
| Inverse Trigonometric Functions | Definition, range, domain, principal value branch. Graphs of inverse trigonometric functions |
The unit 1 Algebra BSEB 12th Maths syllabus is mentioned below in detail.
Matrices
Determinants
The Calculus chapter under the class 12 BSEB Maths syllabus is tabulated below for the student's reference.
Continuity and Differentiability
Application of Derivatives
Integrals
Applications of the Integrals
Applications in finding the area under simple curves, especially lines, circles/ parabolas/ellipses (in standard form only)
Differential Equations
The BSEB class 12th Maths syllabus 2025-26 unit 4 details are mentioned below for the student's reference.
Vectors
Three-Dimensional Geometry
This unit covers only one chapter in the Bihar board 12th Maths syllabus which is tabulated below.
Linear Programming
Introduction, related terminology such as constraints, objective function, optimization, graphical method of solution for problems in two variables, feasible and infeasible regions (bounded or unbounded), feasible and infeasible solutions, optimal feasible solutions (up to three non-trivial constraints)
The unit also covers only one chapter in the BSEB 12th syllabus for 2025-26 which is tabulated below for the student's reference.
Probability
Probability - Conditional probability, multiplication theorem on probability, independent events, total probability, Bayes’ theorem, Random variable, and its probability distribution, mean of a random variable
Below is the Bihar Board Class 12 Maths chapter wise weightage for students' reference. Students must refer to the BSEB 12th Maths syllabus 2025-26 marking scheme while preparing for the upcoming board exams to know about the evaluation pattern. However, students must also use the BSEB 12th previous year question papers to understand the paper pattern and its marks distribution.
| Units | इकाई का नाम | Weightage |
| Unit 1: Relations and Functions | इकाई1: संबंध एवं फलन | 10 |
| Unit 2: Algebra | इकाई 2: बीजगणित | 13 |
| Unit 3: Calculus | इकाई 3: कलन शास्त्र | 40 |
| Unit 4: Vectors and 3 Dimensional Geometry | इकाई 4: सदिश एवं त्रि विमीय-ज्योमिति | 18 |
| Unit 5: Linear Programming | इकाई 5: रैखिक प्रोग्रामन | 9 |
| Unit 6: Probability | इकाई 6: प्रायिकता | 10 |
| Total | योग अंक | 100 |
Read more: BSEB Class 12 Answer Key 2025-26
Students must use the BSEB 12th Maths textbook recommended by the school authorities to score higher grades. The books are curated as per the class 12th Math syllabus Bihar Board 2026.
The BSEB textbook provides a clear explanation with detailed examples. Some of the prescribed BSEB 12th Maths textbooks are as follows.
| Books | Publications |
| Mathematics Part I - Textbook for Class XII | NCERT Publication |
| Mathematics Part II - Textbook for Class XII | NCERT Publication |
| Mathematics Exemplar Problem for Class XI | Published by NCERT |
| Mathematics Exemplar Problem for Class XII | Published by NCERT |
| Mathematics Lab Manual class XII | Published by NCERT |
Also Read: Bihar Board 12th Books 2025-26
The Maths subject is based on calculation and problem-solving, so understanding the concepts and reviewing the class 12th Maths syllabus Bihar Board 2026 plays a significant role. Further, students can use the tips below to put themselves in the right mindset for their Bihar board 12th exam preparation.

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