1.

Show that 9^(n+1) - 8n - 9 is divisible by 64, whenever n is a positive interger.

Answer»


Answer :`= 64 [.^((n+1))C_(2)+.^((n+1))C_(3).(8)+...+.^((n+1))C_((n+1))(8)^(n-1)]`


Discussion

No Comment Found