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(a) Find the Fourier series for f(x) = -x, -1<x<1 f(x+2) = f(x)

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(8) - - - しくてく」 T: 2L = 2 > L 깃 어 The constant term is one half of Ao L Q. -- f(u) cos Man L dx -L (~) cos O an de L 11 - [ ]an= sin nan Пл - ani 1 a sin nan + na n²x² al - Sinne di this case max] - ( Men han cons] I sin (ona) son T (x4-)sor it an: I2 (1) 2 bra 2 ; n = odd 11 nx na 2 na even ht fo E = an cos han + a ao 2 + han bn sish nau L - stan ] MA Since ao = anao f(n

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(a) Find the Fourier series for f(x) = -x, -1<x<1 f(x+2) = f(x)
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