Question

Show that any positive odd integer is of from 4 Q + 1 or 4 Q plus 3 where question is some integer

Answer 1

Let any positive odd integer be 'a' and b=4

let r=1 , 3  (odd positive integers)

a=bq+r

a=4q+1 (odd positive integer)

    and

a=4q+3 (odd positive integer)

i hope this helps......