Answer: C y^1/2/xz^2
Explanation:
I checked with my calculator.
Answer:
y^1/2/xz^2 option 3
(x^1/2 y^-1/4 z)^-2= x^(-1/2*2) y^(1/4*2) z^-2= x^-1 y^1/2 z^-2= y^1/2/xz^2
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