1. Let n a= r*dx* 1'(R") i=1 (so we can write a = a dr*, where a; = ). Show that there exists a = BEN-(R" {0}) such that AB= d.c? A... A dr". 1. Let n a= r*dx* 1'(R") i=1 (so we can write a = a dr*, where a; = ). Show that there exists a = BEN-(R" {0}) such that AB= d.c? A... A dr