In the expansion of $(x+1)^{42}$, what is the coefficient of the $x^2$ term?
Question:
In the expansion of $(x+1)^{42}$, what is the coefficient of the $x^2$ term?
Answer:
Let's think step by step.

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In the expansion of $(x+1)^{42}$, what is the coefficient of the $x^2$ term?
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