Proof of Limit Formulae

2008-08-18 4:58 am
Please prove the following expression completely

1. lim (1 + 1/x)^x = e
x→∞
2. lim (1 + a/x)^x = e^a
x→∞
3. lim (e^x - 1)/x = 1
x→0
4. lim (a^x - 1)/x = ln a, where a > 0
x→0
5. lim [ln(1 + x)]/x = 1
x→0
6. lim ln x / (x - 1) = 1
x→0
更新1:

6. lim ln x / (x - 1) = 1 x→1

回答 (1)

2008-08-18 7:16 am


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