Question

show that n square minus 1 is divisible by 8 if n is an odd positive integer

Answer 1

if we take n as 3 then the answer we get is eight which is divisible by 8

Answer 2

let n be in odd integer we take 12345 as an even positive integer but we take 135 and is equal to 1, 3, 5 and square is equal to 1 square, 3 square any square minus 1 is equal to 1 square - 13 square minus 1