Does it Have it?

(x1)(x22)(x33)(x2020) \big(x - 1\big)\big(x^2 - 2\big)\big(x^3 - 3\big)\cdots \big(x^{20} - 20\big)

What is the coefficient of x203x^{203} in the expansion of this expression?

×

Problem Loading...

Note Loading...

Set Loading...