Tolong dibantu yaaa.. pleaseee Tentukan nilai z dari :

[tex] ^{2}logx = 2 [/tex]
x = 4

[tex]^{2}logy = \frac{1}{2} [/tex]
y = √2

[tex]^{x}logy = ^{4}log \sqrt{2} = ^{4}log z[/tex]
z = √2