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14-10-2016
Mathematics

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The product of (a + b)(a − b) is a perfect square trinomial.
A. Sometimes b. Always c. Never

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apologiabiology apologiabiology

14-10-2016

never
perfect squre trinomial is in form
(a+b)(a+b) or (a-b)(a-b)
that is not equal to (a+b)(a-b)

never

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