If n is a positive integer then the expression that will always divide [n^(n-1) – 1]evenly is
a.n^2–1 b.n^2+1 c.(n+1)^2 d.(n-1)^2

• If n is a positive integer then the expression that will always divide [n^(n-1) - 1]evenly is
  
  
  d.(n-1)^2
• 12 years agoHelpfull: Yes(1) No(0)