Kongjugat- och kvadreringsreglerna

The exercise was created 2017-07-05 by benjamingryden. Question count: 3.




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  • (a+b)² (kvadreringsreglerna) = a²+2ab+b², a²+3ab+a², a²+b²
  • (a-b)² (kvadreringsreglerna) = a²-2ab+b², a²+2ab+b², a²-b²
  • (a+b)(a-b) (konjugatregeln)= a²-b², a²+b², a²+ab+b²

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https://spellic.com/eng/exercise/kongjugat-och-kvadreringsreglerna.7362136.html

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