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08-09-2019
Mathematics

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(07.07) The product of (a − b)(a − b) is a perfect square trinomial. Select one: a. Sometimes b. Always c. Never

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sqdancefan sqdancefan

08-09-2019

Answer:

b. Always

Step-by-step explanation:

(a -b)(a -b) is the product of the binomial (a -b) with itself, so it is a perfect square. The expanded version of this product is the "perfect square trinomial" ...

a² -2ab +b²

This trinomial is always the product of (a -b)².

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