jika x=81 dan y=625 maka nilai dari (x¾.y¼)=

x=81=3⁴
y=625=5⁴

x¾.y¼ = 3⁴^¾.5⁴^¼
= 3³.5 = 9.5 = 45

Kelas 9 Matematika
Bab Eksponensial

^ = pangkat

x^(3/4) . y^(1/4)
= 81^(3/4) . 625^(1/4)
= (3^4)^(3/4) . (5^4)^(1/4)
= 3^3 . 5
= 27 . 5
= 135