1. RACIONALIZACION
RACIONALIZ (5 + 31/2)
AR (5 - 31/2)
SOLUCIO
N
a.) Conjugada del denominador (5 + 31/2)
b.) (5 + 31/2) (5 + 31/2) = (5 + 31/2) (5 + 31/2) = (5)2 + 2(5)(31/2) + (31/2)2=
(5 - 31/2) (5 + 31/2) (5)2 - (31/2)2 25 - 3
= 25 + 10(3)1/2 + 3 = 28 + 10(3)1/2
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