1. Show that this expression is a total differential of the function u (x, y). Find u (x, y) function
1.7. (Ex + y - cosx) dx + (ex + y + siny) dy
2. Solve the following tasks:
2.7. Calculate the arc length of the curve x = 2 - t4 / 4, y = t6 / 6, limited points of its intersection with the coordinate axes.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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