[考古] 99台聯 一起討論吧...
心裡有點惦記 所以PO此文 以下我的不負責答案 一起討論吧! @@
選擇
1. D
2. ←X,算不出來 = =
3. D
4. E
5. E
6. C
7. A
8. ←來不及思考這個曲面積分~"~
填充
1. x - ln(e^x + 1) + C
2. (-1/4, 1/8)
3. 52/9
4. 3^(1/2)
計算
1.(a) 發散
(b) ←請幫解.. 我用半角代換 發現很可怕= =
2. area = 30 平方單位
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