wawamohd
wawamohd wawamohd
  • 11-06-2018
  • Mathematics
contestada

factorise 16j²-8jk+k²

Respuesta :

altavistard
altavistard altavistard
  • 11-06-2018
Note that 16j^2 = (4j)^2.  Thus, we have

(4j)^2 - 8jk + k^2

and selecting the binomial (4j - k) as a possible factor would be a logical choice.

Check:  Does (4j - k)(4j - k) = 16j²-8jk+k²?  YES
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