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Racionalitzar 2

Racionalitzar és eliminar les arrels del denominador.

Si hi ha una arrel d'índex i superior a 2, es multiplica el numerador i el denominador per una arrel d'índex i i de radicand tal que permeti simplificar el denominador:

fraction numerator 12 over denominator cube root of 4 end fraction equals fraction numerator 12 over denominator cube root of 2 squared end root end fraction equals fraction numerator 12 bold times root index bold 3 of bold 2 over denominator cube root of 2 squared end root bold times root index bold 3 of bold 2 end fraction equals fraction numerator 12 times cube root of 2 over denominator cube root of 2 cubed end root end fraction equals fraction numerator 12 times cube root of 2 over denominator 2 end fraction equals 6 times cube root of 2

i es simplifica
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