Find the coefficient of $x^{70}$ in the expansion of
\[(x - 1)(x^2 - 2)(x^3 - 3) \dotsm (x^{11} - 11)(x^{12} - 12).\]
Question:
Find the coefficient of $x^{70}$ in the expansion of
\[(x - 1)(x^2 - 2)(x^3 - 3) \dotsm (x^{11} - 11)(x^{12} - 12).\]
Answer:
Let's think step by step.

user
4
Find the coefficient of $x^{70}$ in the expansion of
\[(x - 1)(x^2 - 2)(x^3 - 3) \dotsm (x^{11} - 11)(x^{12} - 12).\]
train