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Integrals and Differential Equations
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2023 April 22
- Chapter 1: Addition of several new integrals, with hints and solutions.
- Chapter 13 (Complex Numbers) added.
- Chapter 14 (Functions of a Complex Variable) added.
- Chapter 15 (Differentiation of f(z)) added.
- Chapter 16 (Integration of f(z)) added.
2022 July 14
- Chapter 1: Some changes to the inverse hyperbolic functions and their integrals.
- Chapter 1: Change in Hint to Problem 18.
- Chapter 1: Additional alternative Solution 33.
- Chapter 1: Sign changes in Solution 37 for e > 1
2020 November 13
- Chapter 1: Addition of integrals 39 and 40.
2019 November 5
- Chapter 1: A new section added, on Difficult Integrals.
2019 August 27
- Chapter 1: One new integral (37), added, with hints and solutions.
- Appendix A (Examples and Answers) added.
- Appendix B (Worked Solutions) added.
2019 March 10
- Chapter 1: Five new integrals (32-36), added, with hints and solutions.
2019 January 27
- Chapter numbers added at head of every chapter.
- Chapter 1: Integral 31 added to exercises.
- Chapter 5: New material added.
- Chapters 6 and 7 added.
2017 May 4
- Chapter 3 (Differential Equations of Order 2) added.
- Chapter 4 (Differential Equations of the Form ay'' + by' + cy = 0) added.
2017 April 14
- Chapter 2: Page 9: Third equation: Position of the integration symbol changed.
- Chapter 2: Page 14: Bernoulli’s equations: Line below the first equation: The words “an integer” replaced by “a number”.
2017 March 16
- Chapter 1: Some improvements and corrections.
- Chapter 2 (Differential Equations of First Order) added.
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2015 December 22
- Integration: Page 4: Corrections to case (iii). Thanks to Shubhankar Bhatt.
2015 March 25
- Integration: Changes made to problems 21 and 24, and a few additional problems added.
- Hints: A new file added giving hints to all of the problems.
2015 February 5
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