有幾道limit不懂怎樣做

2011-05-30 8:36 pm
1. lim x->0 (2+x)^3/(x)
2. lim x->0 (sinx)/(2x^2-x)
3. limx->0 (sin^2 x)/(x)
求代入之後的ANSWERS
THX

回答 (1)

2011-05-31 4:04 am


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