Ncert Solutions class 12 Maths free pdf and video

Here you can download Ncert Solutions for class 12 Maths pdf and video free of cost. You can View online any chapter solution of Class 12th Mathematics book for CBSE/ISC Board. Just Click on the Exercise which you want to Download or view.


1. Relation and Functions

Ex - 1.1
Ex - 1.2
Ex - 1.3
Ex - 1.4

2. Inverse Trigonometric Functions

Ex - 2.1
Ex - 2.2

3. Matrices

Ex - 3.1
Ex - 3.2 || [PART - 1] || [PART - 2]
Ex - 3.3
Ex - 3.4

4. Deteminants

Ex - 4.1
Ex - 4.2
Ex - 4.3
Ex - 4.4
Ex - 4.5
Ex - 4.6

5. Continuity and Differentiability

Ex - 5.1
Ex - 5.2
Ex - 5.3
Ex - 5.4
Ex - 5.5
Ex - 5.6
Ex - 5.7
Ex - 5.8

6. Algebra of Derivatives

Ex - 6.1
Ex - 6.2
Ex - 6.3
Ex - 6.4
Ex - 6.5
Ex - 6.6

7. Integrals

Ex - 7.1
Ex - 7.2
Ex - 7.3
Ex - 7.4
Ex - 7.5
Ex - 7.6
Ex - 7.7
Ex - 7.8
Ex - 7.9
Ex - 7.10
Ex - 7.11

8. Application of Integrals

Ex - 8.1
Ex - 8.2

9. Differential Equations

Ex - 9.1
Ex - 9.2
Ex - 9.3
Ex - 9.4
Ex - 9.5
Ex - 9.6

10. Vector Algebra

Ex - 10.1
Ex - 10.2
Ex - 10.3
Ex - 10.4

11. Three Dimensional Geometry

Ex - 11.1
Ex - 11.2
Ex - 11.3

12. Linear Programming (LPP)

Ex - 12.1
Ex - 12.2

13. Probability

Ex - 13.1
Ex - 13.2
Ex - 13.3
Ex - 13.4
Ex - 13.5

To Download Maths NCERT Text Book Click Here.

Main Topics to Remember -:

Chapter 1. Relations and Functions
Types of relations: reflexive, symmetric, transitive and equivalence relations. One to one and onto functions, composite functions, inverse of a function. Binary operations.

Chapter 2. Inverse Trigonometric Functions
Definition, range, domain, principal value branch. Graphs of inverse trigonometric functions. Elementary properties of inverse trigonometric functions. 

 Chapter 3. 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).

Chapter 4. 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.

Chapter 5. Continuity and Differentiability
Continuity and differentiability, derivative of composite functions, chain rule, derivatives 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.

Chapter 6. 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).

Chapter 7. 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 types given in the syllabus 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.

Chapter 8. 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 cures (the region should be clearly identifiable).

Chapter 9. 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. Solutions of linear differential equation of the type given in the syllabus.

Chapter 10. 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.

Chapter 11. 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.

Chapter 12: 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 and unbounded), feasible and infeasible solutions, optimal feasible solutions (up to three non-trivial constraints.

Chapter 13. 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. Repeated independent (Bernoulli) trials and Binomial distribution.

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