Question

Rasionalkan penyebut pecahan-pecahan berikut ini !

Answer 1

A) 5/√15 * √15 / √15
= (5/15)√15
= (1/3)√5

b) 2/√20 * √20/√20
= (2/20)√20
= (1/10)√20

c) 3/√18 * √18/√18
= (3/18)√18
= (1/6)√18

d) √6/√24 = √(6/24)
= √(1/4)
= 1/2

e) 2√2/√48
= √8/√48
= √(8/48)
= √(1/6)
= (1/6)√6

f) 2a/3√a *√a/√a
= 2a√a /3a
= (2/3)√a