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The product of (a-b)(a-b) is a perfect square trinomial, true, sometimes true, or never true?

User Afra
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2 Answers

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Answer with explanation:

The given identity is

(a-b)(a-b)

= (a -b)²

=a × (a -b) -b × (a -b)

=a² -a b - b a +b²

=a² - 2 a b + b²

It is a square trinomial, that is having three terms.

→True

2 votes
It is a true statement that the product of (a-b)(a-b) is a perfect square trinomial. The correct option among all the options that are given in the question is the first option. This statement is always true. I hope that this is the answer that you were looking for and it has actually come to your help.
User Aduric
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