Question

28. Show that: (x(a-b))a+b*(x(b-c))b+c*(x(c-a))c+a=1

Answer 1

gshshdgjsjakbsbbdbdbdbdndbbdb db CV dbdbxbdbnsnsjjsjajwkkwkwkwkjwjejhdhdbxbbdndnjsjsjjsjdhhdbdhjsjsjwjjw