Ready solution of the problem. The sorcerer of Arutyunov. Task number 468.
461 - 470. Expand this function f (x) in a Fourier series in the interval (a, b).
468. f (x) = x-1 in the interval (-1, 1)
If you like the job, proreshayu to order, please contact me
http://fizmathim.sotny.ru
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
No feedback yet