Step 1:
The Binomial Theorem states that for any positive integer n, the expansion of the binomial (a + b)^n is given by:
$$(a + b)^n = \sum_{k=0}^{n} \binom{n}{k} a^{n-k} b^{k}$$
where $\binom{n}{k}$ is the binomial coefficient, which is the number of ways to
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