Show that for any r,n 1, n! Σ ni!n2!...n! R]+2+-+= n20 The summation above runs over all (11,12 ..., nr) satisfying ni +
Posted: Sun Oct 03, 2021 3:15 pm
Show that for any r,n 1, n! Σ ni!n2!...n! R]+2+-+= n20 The summation above runs over all (11,12 ..., nr) satisfying ni + n2 + ... +n, En, ni 2 0. Er".