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a. ∛9 x ∛3
= ∛27
= 3
b. ⁴√8 x ⁴√2
= ⁴√16
= 2
c. ∛2 / ∛4
= ∛1/2
rasionalkan bentuk akar berikut
a. √2/5 - √3
= √2 / 5 - 5√3 / 5
= 1/5 (√2 - 5√3)
b. 1/√5 - √3
= 1/√5 - (√3 x √5)/ √5
= 1/√5 - √15/√5
= 1/√5 (1 - √15) (dikali √5)
= √5/5 (1 - √15)
semoga membantu........