Question

The square of an odd number is always ​

Answer 1

Answer:

the square of an odd number is always odd

e.g. 7²=49

Step-by-step explanation:

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Answer 2

Squares of odd numbers are odd, since (2n + 1)2 = 4(n2 + n) + 1. It follows that square roots of even square numbers are even, and square roots of odd square numbers are odd. As all even square numbers are divisible by 4, the even numbers of the form 4n + 2 are not .