The Authors are the firm view that it is not possibleto acquire a through understanding of the subject without solving a large number of numerical problems.Moreover,the students should also learn to present the results in an orderly manner and attach proper units to the results.To achieve this goal,a large number of solved examples and unsolved problems(with Answer)have been included in each chapter.A summary of important formulae derived and used in different chapters is added in Appendix B to serve as a ready reference.Important formulae in trigonomerty,differential and integral calculus and values of important constants are also includes in the appendices.
The author has attempted to codify several useful results embedded in the ancient lore, in a form which is easily accessible to the children learning mathematics. Many of the chapters deal with computations using simple techniques which will shorten the effort involved in the conventional approach. The price one pays, of course, is that one has to learn the tricks, memorize them and use the appropriate one for each problem. While one might think that this takes away the generality of the modern approach, it certainly has the element of charm and intrigue which children [and grown-ups!] will find entertaining. Even working out why many of these approaches lead to correct results is a valuable exercise by itself. Contents Foreword, Preface, Feedback, Introduction, 1. Complement, Subtraction, Multiplication by Specific Numbers, Base Multiplication, Working Base Multiplication, Multiplication, Algebra, Digital Roots, Divisibility, Division I, Division II, Squares, Straight Squaring, Cubes, Square roots of exact squares, Cube roots of exact cubes, Straight Division, Square roots II, Sutras, Glossary, Index.
The development in the field of education to a great extent depends on the policies of education and its effective and efficient implementation. Recently NEP 2020 has been implemented for quality improvements in the field of education. For effective implementation it is essential to deeply imbibe and comprehend the National Education Policy 2020. Scrupulously written by learned and experienced Scholars, the book incorporates various aspects, dimensions, analysis and the upcoming challenges of NEP 2020. It is a bilingual book contains both English and Hindi research papers. This Edited Book is useful to students, teachers and teacher educators.
The Green Revolution has been heralded as a political and technological achievement -- unprecedented in human history. Yet in the decades that have followed it, this supposedly nonviolent revolution has left lands ravaged by violence and ecological scarcity. A dedicated empiricist, Vandana Shiva takes a magnifying glass to the effects of the Green Revolution in India, examining the devastating effects of monoculture and commercial agriculture and revealing the nuanced relationship between ecological destruction and poverty. In this classic work, the influential activist and scholar also looks to the future as she examines new developments in gene technology.
The Authors are the firm view that it is not possibleto acquire a through understanding of the subject without solving a large number of numerical problems.Moreover,the students should also learn to present the results in an orderly manner and attach proper units to the results.To achieve this goal,a large number of solved examples and unsolved problems(with Answer)have been included in each chapter.A summary of important formulae derived and used in different chapters is added in Appendix B to serve as a ready reference.Important formulae in trigonomerty,differential and integral calculus and values of important constants are also includes in the appendices.
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