show diff eq (2xy + y-tany) + (x_x tany + secy + 2 Jy' is exact....

Related Book For  answer-question

Financial Accounting Tools for Business Decision Making

ISBN: 978-1118644942

6th Canadian edition

Authors: Paul D. Kimmel, Jerry J. Weygandt, Donald E. Kieso, Barbara Trenholm, Wayne Irvine

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