# help show(f) ^ SyntaxError: invalid syntax

I write the following code:

```
f(x) = (xcos(x) + sin(x))/(x+1) + (xsin(x)/((x+1)^2)
show(f)
```

Whenever I try to plot a graph, the following error appears:

```
File "<ipython-input-1-9a8367ab3956>", line 2
show(f)
^
SyntaxError: invalid syntax
```