Tolong cari x dan y :D x^2*y = 9 x/y^2 = 1/3 ^ = berarti pangkat * = berarti kali
Matematika
BillyPJ
Pertanyaan
Tolong cari x dan y :D
x^2*y = 9
x/y^2 = 1/3
^ = berarti pangkat
* = berarti kali
x^2*y = 9
x/y^2 = 1/3
^ = berarti pangkat
* = berarti kali
1 Jawaban
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1. Jawaban arsetpopeye
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)