jika xy=4,yz=9,dan xz=16, tentukan nilai xyz

xy = 4 , yz = 9 , xz = 16
2×2 = 4 , 3×3 = 9 , 4×4 = 16
jadi nilai xyz adalah 2×3×4 = 24

semoga benar

xy = 4
yz = 9 => y = 9/z
xz = 16 => x = 16/z

subtitusi y = 9/z dan x = 16/z ke xy = 4
9/z . 16/z = 4
144/z^2 =4
144/4 = z^2
36 = z^2
z = 6
y = 9/6 = 3/2
x = 16/6 = 8/3
jadi nilai xyz = 6 . 3/2 . 8/3 = 144/6 = 24