Bihar Board Class 12 Maths Syllabus 2025, Check Exam Pattern

Bihar Board Class 12 Maths Syllabus 2025 Overview

Particulars

Details

Conducting Board

Bihar School Examination Board (BSEB) 

Subject

Maths

Total Marks (Theory)

80 Marks

Internal Assessment

20 Marks

Total Units

6

Recommended Books

NCERT + Exemplar

Question Types

VSA, SA, LA I, LA II

Official Website

biharboardonline.com

Bihar Board Class 12 Maths Syllabus 2025 Exam Pattern

Type of Question

Marks per Question

Number of Questions

Total Marks

Very Short (VSA)

1

20

20

Short Answer (SA)

2

6

12

Long Answer – I

4

6

24

Long Answer – II

6

4

24

Total

—

36

80

Bihar Board Class 12 Maths Syllabus 2025 Marking Scheme

Unit No.

Unit Name

Chapter Names

Marks

I

Relations and Functions

Relations and Functions: Types of relations: reflexive, symmetric, transitive and equivalence relations. One to one andonto functions, composite functions, inverse of a function.

Inverse Trigonometric Functions: Definition, range, domain, principal value branch. Graphs of inversetrigonometric functionsElementary properties of inverse trigonometricfunctions.  

08

II

Algebra

Matrices: Concept, notation, order, equality, types of matrices, zero and identity matrix, transpose of a matrix, symmetric and skew symmetric matrices.

 Operation on matrices: Addition and multiplication and multiplication with a scalar. Simple properties of addition, multiplication and scalar multiplication. Non- commutativity of multiplication of matrices and existence of non-zero matrices whose product is the zero matrix (restrict to square matrices of order 2).Concept of elementary row and column operations. Invertible matrices and proof of the uniqueness of inverse, if it exists; (Here all matrices will have real entries). 

Determinants: Determinant of a square matrix (up to 3 x 3 matrices), properties of determinants, minors, co-factors and applications of determinants in finding the area of a triangle. Adjoint and inverse of a square matrix. Consistency, inconsistency and number of solutions of system of linear equations by examples, solving system of linear equations in two or three variables (having unique solution) using inverse of a matrix.  

10

III

Calculus

Continuity and Differentiability: Continuity and differentiability, derivative of composite functions, chain rule, derivative of inverse trigonometric functions, derivative of implicit functions. Concept of exponential and logarithmic functions. Derivatives of logarithmic and exponential functions. Logarithmic differentiation, derivative of functions expressed in parametric forms. Second order derivatives. Rolle’s and Lagrange's Mean Value Theorems (without proof) and their geometric interpretation.

Applications of Derivatives: Applications of derivatives: rate of change of bodies, increasing/decreasing functions, tangents and normals, use of derivatives in approximation, maxima and minima (first derivative test motivated geometrically and second derivative test given as a provable tool). Simple problems (that illustrate basic principles and understanding of the subject as well as real-life situations).

Integrals: Integration as inverse process of differentiation.Integration of a variety of functions by substitution, by partial fractions and by parts, Evaluation of simple integrals of the following types and problems based on them. Definite integrals as a limit of a sum, Fundamental Theorem of Calculus (without proof).Basic properties of definite integrals and evaluation of definite integrals. 

Applications of the Integrals: Applications in finding the area under simple curves, especially lines, circles/ parabolas/ellipses (in standard form only), Area between any of the two above said curves (the region should be clearly identifiable).

Differential Equations: Definition, order and degree, general and particular solutions of a differential equation.formation of differential equation whose general solution is given. Solution of differential equations by method of separation of variables, solutions of homogeneous differential equations of first order and first degree. 

35

IV

Vectors and 3D Geometry

Vectors: Vectors and scalars, magnitude and direction of a vector.Direction cosines and direction ratios of a vector. Types of vectors (equal, unit, zero, parallel and collinear vectors), position vector of a point, negative of a vector, components of a vector, addition of vectors, multiplication of a vector by a scalar, position vector of a point dividing a line segment in a given ratio. Definition, Geometrical Interpretation, properties and application of scalar (dot) product of vectors, vector (cross) product of vectors, scalar triple product of vectors.

Three - dimensional Geometry: Direction cosines and direction ratios of a line joining two points.Cartesian equation and vector equation of a line, coplanar and skew lines, shortest distance between two lines.Cartesian and vector equation of a plane.Angle between (i) two lines, (ii) two planes, (iii) a line and a plane.Distance of a point from a plane.  

14

V

Linear Programming

Linear Programming: Introduction, related terminology such as constraints, objective function, optimization, different types of linear programming (L.P.) problems, mathematical formulation of L.P. problems, 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). 

05

VI

Probability

Probability: Conditional probability, multiplication theorem on probability, independent events, total probability, Bayes’ theorem, Random variable and its probability distribution, mean and variance of random variable.  

08

Total

80

Bihar Board Class 12 Maths Practical Assessment 2025 Marking Scheme

Component

Details

Marks

Periodic Tests

Best 2 out of 3 tests conducted

10 Marks

Mathematics Activities

As per NCERT Lab Manual (any 10 activities)

10 Marks

— Activity performance & record keeping

Maintaining activity file and completing tasks throughout the year

5 Marks

— Year-end test on activities

Assessment conducted at school level

3 Marks

— Viva-voce

Oral examination based on activities and concepts

2 Marks

Total

20 Marks