Arrangements and Combinations · Arrangements with Repetitions
Lesson 5
Problem. Find the coefficient of the monomial \(x^{4}y^{3}z^{2}\) in the expansion of \((x-y-z)^{9}\).
4 points
Arrangements and Combinations · Arrangements with Repetitions
Problem. Find the coefficient of the monomial \(x^{4}y^{3}z^{2}\) in the expansion of \((x-y-z)^{9}\).