ohsnkDo4z5sonik
ohsnkDo4z5sonik ohsnkDo4z5sonik
  • 19-08-2016
  • Mathematics
contestada

evaluate the sum by fractorisation method :59^2-41^2

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dalendrk
dalendrk dalendrk
  • 28-08-2016
[tex]59^2-41^2=(59-41)(59+41)=2\cdot100=200[/tex]

[tex]Used:a^2-b^2=(a-b)(a+b)[/tex]
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