[微積] 積分問題
兩題積分問題求教
(1) ∫dx/x^4+x^2+1 (0~∞)
(2) ∫con(mx)dx/x^2+1 (0~∞)
變數代來代去都代不出來
是不是要用傅立葉轉換或是複變(兩個都沒學過...)
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