The highly successful text now in its third edition has enjoyed immense popularity amongst the student and academic community and has been widely used as a textbook in several universities for senior undergraduate and postgraduate students of engineering and mathematics.

• SALIENT FEATURES: • Useful for students for preparation of competitive examination like CSIR/UGC (NET), GATE and UPSC • Study of first and second order partial differential equations respectively covered • Worked examples and exercises with solutions at end of each chapter • Added useful information provided in the appendices NEW TO THIS EDITION: • Linear partial differential equations with constant coefficients added • New problems added

Preface / Preface to the Second Edition and Third Edition / First Order P.D.E.: Curves and Surfaces / Genesis of First Order P.D.E. / Classification of Integrals / Linear Equations of the First Order / Pfaffian Differential Equations / Compatible Systems / Charpit’s Method / Jacobi’s Method / Integral Surfaces Through a Given Curve / Non-linear First Order P.D.E. / Second Order P.D.E.: Genesis of Second Order P.D.E. / Classification of Second Order P.D.E. / One Dimensional Wave Equation / Laplace’s Equation / Heat Conduction Problems / Duhamel’s Principle / Classification in the Case of N-Variables / Families of Equipotential Surfaces / Kelvin’s Inversion Theorem / A. Fourier Transforms and Integrals / B. A Class of Linear P.D.E. with Constant Co-efficients / C. Additional Problems / Suggested Reading / Index.

Graduate students of Mathematics, Engineering, Physics & for competitive examinations