第二十九题--泰勒展开
![Mathematica入门习题[29]–级数展开](https://img.mathpretty.com/snipaste_20170912_165409.png?imageView2/0/q/75|watermark/2/text/5YWz5rOo5YWs5LyX5Y-377ya5paH6Im65pWw5a2m5ZCb/font/5b6u6L2v6ZuF6buR/fontsize/540/fill/IzAwMDAwMA==/dissolve/100/gravity/SouthEast/dx/10/dy/10|imageslim)
f[x_] := Series[Log[x], {x, 1, 5}];
TraditionalForm[f[x]]
Plot[{Evaluate@Normal@f[x], Log[x]}, {x, -1, 3}, PlotLegends -> "Expressions"]
![Mathematica入门习题[29]–级数展开](https://img.mathpretty.com/snipaste_20170912_211506.png?imageView2/0/q/75|watermark/2/text/5YWz5rOo5YWs5LyX5Y-377ya5paH6Im65pWw5a2m5ZCb/font/5b6u6L2v6ZuF6buR/fontsize/540/fill/IzAwMDAwMA==/dissolve/100/gravity/SouthEast/dx/10/dy/10|imageslim)
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换一种姿势学数学
![Mathematica入门习题[29]–级数展开](https://img.mathpretty.com/snipaste_20170912_165409.png?imageView2/0/q/75|watermark/2/text/5YWz5rOo5YWs5LyX5Y-377ya5paH6Im65pWw5a2m5ZCb/font/5b6u6L2v6ZuF6buR/fontsize/540/fill/IzAwMDAwMA==/dissolve/100/gravity/SouthEast/dx/10/dy/10|imageslim)
f[x_] := Series[Log[x], {x, 1, 5}];
TraditionalForm[f[x]]
Plot[{Evaluate@Normal@f[x], Log[x]}, {x, -1, 3}, PlotLegends -> "Expressions"]
![Mathematica入门习题[29]–级数展开](https://img.mathpretty.com/snipaste_20170912_211506.png?imageView2/0/q/75|watermark/2/text/5YWz5rOo5YWs5LyX5Y-377ya5paH6Im65pWw5a2m5ZCb/font/5b6u6L2v6ZuF6buR/fontsize/540/fill/IzAwMDAwMA==/dissolve/100/gravity/SouthEast/dx/10/dy/10|imageslim)
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