# It isn't as complicated as it looks

Algebra Level 4

$\large \frac{1}{(1-x)(1-y)(1-z)}+\frac{1}{(1+x)(1+y)(1+z)}$ For $$-1<x,y,z<1$$, let $$t$$ denote the minimum value of the above expression and $$u$$ be the sum of $$x,y,z$$ when the equality holds, find $$(3t)^{u}+4$$.

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