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Racionalitzar 1

Racionalitzar és eliminar les arrels del denominador.

Si hi ha una sola arrel quadrada, es multiplica numerador i denominador per aquesta arrel:

begin mathsize 12px style fraction numerator 3 over denominator square root of 15 end fraction equals fraction numerator 3 times square root of bold 15 over denominator square root of 15 bold times square root of bold 15 end fraction equals fraction numerator 3 times square root of 15 over denominator 15 end fraction equals fraction numerator square root of 15 over denominator 5 end fraction end style

i es SIMPLIFICA
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