Question

4) The square of an odd number is always &​

Answer 1

Answer:

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square of an odd number is always an odd number.

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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 square numbers.

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Answer 2

Answer:

Hey !!

The square of an odd number is always an odd number

Step-by-step explanation:

Let us check this by squaring odd numbers.

$3 { }^{2} = 9$

$7 {}^{2} = 49$

$11 {}^{2} = 121$

Hence, square of an odd number is always an odd number.