Math_One
Hello. What is
$$\int \exp(-x^2/2)\,dx$$
This is the Gaussian integral.
$\text{A} \text{B} \quad \text{C}$
$$\frac{A}{B}=\binom{C}{D}$$
for general values of $n$.
B C
D
Hello OK
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Let's see some consequences.
Recall above