Question

Tolong cari x dan y :D

x^2*y = 9
x/y^2 = 1/3

^ = berarti pangkat
* = berarti kali

Answer 1

X^2 . y = 9
y = 9/(x^2)

x/(y^2) = 1/3
3x = y^2
3x = (9/x^2)^2
3x = 81/(x^4)
3x^5 = 81
x^5 = 27
x^5 = 3^3
x = 3^(3/5)

y = 9/x^2
= 9/(3^(3/5)^2)
= 3^2 / (3^(6/5)
= 3^(2 - 6/5)
= 3^(4/5)