Förenkla uttryck och kvadreringsreglerna

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10 questions · Upper secondary · Mathematics

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Vilket uttryck är lika med (a + b)²?

David Malone, CC BY 4.0
- a² + b²
- a² + 2ab + b²
- a² + ab + b²
- 2a + 2b
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a² + 2ab + b²
(a − b)² = a² − ___ + b²

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2ab or 2ba
Vad kallas regeln (a + b)(a − b) = a² − b²?
- Konjugatregeln
- Pq-formeln
- Första kvadreringsregeln
- Nollproduktmetoden
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Konjugatregeln

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