binomio al cuadrado a2+2ab+b2=(a+b)2, binomio al cubo a3+3a2b+b3= (a+b)3, diferencia de cuadrados (a+b) (a-b)= a2-b2, diferencia de cubos (a-b)(a2+b2+ab)=a3-b3, suma de cubos (a+b)(a2+b2-ab)=a3+b3, diferencia cuarta (a+b)(a-b)(a2+b2)=a4-b4, trinomio al cuadrado a2+b2+c2+2ac+2bc=(a+b+c)2

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