giannelyrosa03 giannelyrosa03

23-07-2019
Mathematics

contestada

The product of (a − b)(a − b) is a2 − b2.
A. Sometimes
B. Always
C. Never

Respuesta :

konrad509 konrad509

23-07-2019

[tex](a-b)(a-b)=a^2-2ab+b^2\\\\a^2-2ab+b^2=a^2-b^2\\2b^2=2ab\\b^2=ab\implies a=b \vee b=0[/tex]

So, sometimes.

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