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

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

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

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

3^(2n+2)-8n-9 is divisible by

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

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

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

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

Write down the binomial expansion of (1+x)^(n+1) , when x=8. Deduce that 9^(n+1)-8n-9 is divisible by 64 where, n is a positive integer.