nathanael-jolliffe documents

Binomial Coefficients: Selected Exercises. Copyright © Peter Cappello2 Preliminaries What is the coefficient of x 2 y in ( x + y ) 3 ? ( x + y ) 3 = (
Documents Binomial Coefficients: Selected Exercises. Copyright © Peter Cappello2 Preliminaries What is the coefficient of x 2 y in ( x + y ) 3 ? ( x + y ) 3 = (