XE - A       Engineering Mathematics(Compulsory for all XE Candidates)
Section 1: Linear Algebra
Algebra of real matrices: Determinant, inverse and rank of a matrix; System of linear equations (conditions for
unique solution, no solution and infinite number of solutions); Eigenvalues and eigenvectors of matrices;
Properties of eigenvalues and eigenvectors of symmetric matrices, diagonalization of matrices; Cayley-
Hamilton Theorem.
Section 2: Calculus
Functions of single variable: Limit, indeterminate forms and L'Hospital's rule; Continuity and differentiability;
Mean value theorems; Maxima and minima; Taylor's theorem; Fundamental theorem and mean value theorem
of integral calculus; Evaluation of definite and improper integrals; Applications of definite integrals to evaluate
areas and volumes (rotation of a curve about an axis).
Functions of two variables: Limit, continuity and partial derivatives; Directional derivative; Total derivative;
Maxima, minima and saddle points; Method of Lagrange multipliers; Double integrals and their applications.
Sequences and series: Convergence of sequences and series; Tests of convergence of series with non-negative
terms (ratio, root and integral tests); Power series; Taylor's series; Fourier Series of functions of period 2π.
Section 3: Vector Calculus
Gradient, divergence and curl; Line integrals and Green's theorem.
Section 4: Complex variables
Complex numbers, Argand plane and polar representation of complex numbers; De Moivre’s theorem; Analytic
functions; Cauchy-Riemann equations.
Section 5: Ordinary Differential Equations
First order equations (linear and nonlinear); Second order linear differential equations with constant
coefficients; Cauchy-Euler equation; Second order linear differential equations with variable coefficients;
Wronskian; Method of variation of parameters; Eigenvalue problem for second order equations with constant
coefficients; Power series solutions for ordinary points.
Section 6: Partial Differential Equations
Classification of second order linear partial differential equations; Method of separation of variables: One
dimensional heat equation and two dimensional Laplace equation.
Section 7: Probability and Statistics
Axioms of probability; Conditional probability; Bayes' Theorem; Mean, variance and standard deviation of
random variables; Binomial, Poisson and Normal distributions; Correlation and linear regression.
Section 8: Numerical Methods
Solution of systems of linear equations using LU decomposition, Gauss elimination method; Lagrange and
Newton's interpolations; Solution of polynomial and transcendental equations by Newton-Raphson method;
Numerical integration by trapezoidal rule and Simpson's rule; Numerical solutions of first order differential
equations by explicit Euler's method.