SymPy Gamma

SymPy:

(x%2*B*Number ('2' ))/((x%2*B*Number ('3' ))*(x-4))

$\frac{2}{3 \left(x - 4\right)}$

Plot:

Roots:

solve(2/(3*(x - 4)), x)

$x =$

diff(2/(3*(x - 4)), x)

$\frac{d}{d x} \frac{2}{3 \left(x - 4\right)} =$

series(2/(3*(x - 4)), x, 0, 10)

See what Wolfram|Alpha has to say.

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