anyasophia2007
anyasophia2007 anyasophia2007
  • 20-04-2018
  • Mathematics
contestada

Given a≠±b and (a^2−b^2)/(a+b) =12, find a−b.

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jdoe0001 jdoe0001
  • 20-04-2018
[tex]\bf \cfrac{a^2-b^2}{a+b}=12\implies \cfrac{\stackrel{\textit{difference of squares}}{(a-b)\underline{(a+b)}}}{\underline{a+b}}=12\implies a-b=12[/tex]
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