1. Show that this expression is a total differential of the function u (x, y). Find u (x, y) function
1.3. - (1 / 2cos2y + ysin2x) dx + (xsin2y + cos2x + 1) dy
2. Solve the following tasks:
2.3. Find the coordinates of the center of mass homogenous quarter circle x2 + y2 = a2, lying in the first quadrant.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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01.12.2017 19:59:12
нашел недочёты ,но в целом неплохо