Question

prove that square of an odd number is an odd number​

Answer 1

Answer:

Let x be an arbitrary odd number. By definition, an odd number is an integer that can be written in the form 2k + 1, for some integer k. This means we can write x = 2k + 1, where k is some integer. ... Since this logic works for any odd number x, we have shown that the square of any odd number is odd.