sgraft sgraft
  • 16-06-2016
  • Mathematics
contestada

PLEASE HELP!!! The product of (a − b)(a − b) is a perfect square trinomial.

Sometimes
Always
Never

Respuesta :

hartnn
hartnn hartnn
  • 16-06-2016
x*x is always a perfect square.
here x = a-b
so,
(a − b)(a − b) is ALWAYS a perfect square trinomial .


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jhonyy9
jhonyy9 jhonyy9
  • 18-06-2016
so bc. (a-b)(a-b) =(a-b)^2 = a^2 -2ab +b^2 so this mean that this is a perfect square trinomial always 
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