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一道大学数学题！

2025-03-15 01:29:48
推荐回答（3个）
回答1：

分享一种“解法”。1/n>0，由泰勒展开式，有e^(1/n)=1+1/n+(1/2)/n²+……>1+1/n，
∴1/n>ln(1+1/n)。
供参考。

回答2：

x>0，
f(x)=x-ln(1+x)单调递增>f(0)=0

回答3：

下列等式不正确的是（ ）.
dbdbxfx B）fxdxfxdtfbxbx 、aadxdx
dxdxfxdxfx D）FtdtFx C）、、aadxdxA）、

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