A ready solution to the problem. The sorcerer of Arutyunov. Task number 372.
371 - 380. Compute the area of a figure bounded by a curve given by an equation in Cartesian coordinates (a> 0) using the double integral in polar coordinates.
372. (x2 + y2) 2 = a2 (4x2 + y2)
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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