RADICALES MULTIPLICACIÓN Y DIVISIÓN DE RADICALES
a b (ab) a b ab (ab) a b a b ab = R = = = 1 1 n n • (ab) = a, b R a>0 n>1 n b>0 a n b n ab n 1 • = 1 n (ab) 1 n a 1 n b = 2 a n b n ab n =
a b ab p q pq Ejemplo 1 6 5 52 • 33 2 3 3 15 = = 52 • 33 2 3 3 15 = = • • • 1012 53 3 24 3 10 5 3 12 3 = = p a n q b • pq ab n = a, b > 0 ; n > 1
a b ab (3a2) = Ejemplo 2 a) 43a2 23a (a > 0) 4 2 = 8 8a35a • 6 6 4 2 = • 8 6 8a35a 6 = 35a7 = 3 2 a n b • ab = (3a2) (3a) = 33a3 32a4
(a + b)2 = a2 + 2ab + b2 ) ( 2 + 1 2 2 ) ( 2 (1) + 22 + 12 =