In diff Out dx In Integral exp -x Out -x dx

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In [1]: (f(x)*x).diff(x)
Out[1]:
d
x*──(f(x)) + f(x)
dx
In [2]: Integral(exp(-x**2),x)
Out[2]:
⎮ 2
⎮ -x
⎮ ℯ dx