Meaning of a differential equation and its solution, examples, families of curves, orthogonal trajectories.
First order equations: Homogeneous, exact, linear, Bernoulli, Riccati and Clairaut equations, equations reducible to first order equations.
Second and higher order linear equations, linear equations with constant coefficients, general solution of homogeneous equations, operator method for finding a particular solution, vibra- tions in mechanical and electrical systems. Power series method: Legendre, Hermite, Bessel and hypergeometric equation.
Special functions: Legendre, Hermite and Chebychev polynomials, Bessel functions and appli- cations.
Recommended Reading
Earl A. Coddington, AnIntroductiontoOrdinaryDifferentialEquations, Dover Publications (1989).
Ravi P. Agarwal and Donal O’Regan, OrdinaryandPartialDifferentialEquations, Springer (2008).
Shepley L. Ross, DifferentialEquations, Wiley (1984).
George F. Simmons, DifferentialEquationswithApplicationsandHistoricalNotes, Tata McGraw-Hill Publishing Company (1978).