[微積] 摺積定理
在算摺積的題目
算到
t 2τ 2(t-τ)
2∫ e cos (6τ)e sin 6(t-τ) dτ
0
=
2t t
2 e ∫ cos(6τ)sin(6t-6τ)dτ
0
^^^^^^^^^^^^^^^^^^^^^^^^^
然後
2t
答案 寫 = e t sin (6t)
^^的部分 要怎麼算啊....
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04/14 21:47, , 1F
04/14 21:47, 1F
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04/14 21:49, , 2F
04/14 21:49, 2F
積化合差 是 SIN 那積分 就不是sin了啊..
※ 編輯: TVBS2100 來自: 111.249.220.35 (04/14 22:02)
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