Question 715163
Simplify. Your answer should contain only positive exponents with no fractional exponents in the denominator.

(x^(-7/4) y^(7/4) z^(-1/2) * x^-2 y^(-4/3) z^(1/4)/((y^-1 z^-2)^2)
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Do it like the other ones.
I'll check your work if you like.