This revision of theS econd Course in Algebra has been carried out in the same spirit as was the recent revision of the First Course in Algebra by the same authors. The exercises and problems, mainly new, have been carefully graded, and the exposition has been wholly rewritten. Some advantageous changes have been made in the order of topics, and some chapters for which no well-grounded demand exists have been omitted. Such simplifications of exercises and exposition have been made as are consistent with a standard course in thirdsemester algebra. In the chapters devoted to a review of first-year algebra the fact was borne constantly in mind that the material would be handled by students who had not pursued the study of algebra during the preceding year. It was consequently thought desirable to have work in equations come much earlier than before. The subject of fractions, the topic usually most in need of review, has received full and careful treatment. Linear systems have been presented without the use of determinants. Instead of treating square root, radicals, and exponents in one chapter, the work under these topics has been made more accessible by giving a separate chapter to each. The needs of classes, even under almost identical conditions, differ widely, one class needing more review on a certain topic than does another. Consequently the review material has been expanded so as to afford ample work for any class. It is not intended, however, that all the exercises and problems should be solved by any one student.
(Typographical errors above are due to OCR software and don't occur in the book.)
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