問題詳情

All the following questions are multiple-choice questions. 1.You can expand the function defined by f(x)=x2+3, 0＜x＜3 in a Fourier series, acosine series, or a sine series. Please choose the correct answers.
(A)1(6) = 3 for Fourier sine series；
(B)(3) = 12 for Fourier cosine series；
(C) (0) = 3 for Fourierseries；
(D) (-1) = 4 for Fourier sine series

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增