Q) For some integer q , every odd integer is of the form

• 1) q
• 2) q+1
• 3) 2q
• 4) 2q+1

Every even integer is represented by 2q
if 1 is added to any even integer , it gives an odd integer
so we can say that , for any integer ' q ' every odd integer is of the form 2q + 1