17 設 f (x)在-L < x <L的傅立葉級數(Fourier series)為,下列敘述何者正確?
(A) f (x)為偶函數(even function),a0 = 0
(B) f (x)為奇函數(odd function),= 0
(C)A=
(D)f (x)為奇函數,級數在x = L的左極限(left-hand limit)收斂到零

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統計: A(0), B(1), C(2), D(0), E(0) #3093420

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