Step 1:
The binomial theorem states that for any numbers a and b, and any natural number n, the equation (a+b)^n can be expanded as follows:
\[
(a+b)^n = \sum_{k=0}^{n} \binom{n}{k} a^{n-k} b^{k}
\]
where \(\binom{n}{k}\) is the binomial coefficient, which can be
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