derivatives by limit h go to 0

2010-10-14 1:27 am
f(U) = (U^2 + 2U)sinU

回答 (1)

2010-10-15 4:55 am
✔ 最佳答案
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2010-10-14 20:56:30 補充:
http://img209.imageshack.us/img209/4859/87639276.png


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