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06-05-2017
Mathematics

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4y^2-16 is that a square of the sum, square of a difference, a product of a sum and difference, or not a special product?

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apologiabiology apologiabiology

06-05-2017

das is differnce of 2 perfect squaes

for

a^2-b^2, that factors to (a-b)(a+b0

4y^2=(2y)^2
16=4^2

(2y)^2-(4)^2=(2y-4)(2y+4)
square of a differnce

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