The previous edition book had the text material for both First & Second Semesters. The book has been throughly revised according to the New Syllabaii of Maha Maya Technical University, Noida and Gautam Buddha Technical University, Lucknow. Table Of Unit 1 : Differential Equations | Unit-II Series Solution and Special Functions | Unit-III Laplace Transform | Unit Fourier Series and Partial Differential Equations | Applications of Partial Differential Equations