Re: [理工] [微積分]-台大財經所
※ 引述《NTUEO (Michael Jackson)》之銘言:
: 請問 積分從 0 到 無線大 lnX / 1+X^2
: 請問這各該怎麼積分呢
: 謝謝喔
π/2
令x=tanθ => 原式=∫ ㏑(tanθ)dθ=0
0
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