Hello,
Can you please elaborate your question a bit. The current question is very unclear in the current format. Can you please rewrite the entire question properly, if you could tell me in detail then I can help you in some manner. Also, do mention which topic of Maths is it related to.
Question : If $x+y+z=0$, then what is the value of $\frac{x^2}{(y z)}+\frac{y^2}{(x z)}+\frac{z^2}{(x y)}$?
Question : If $x+y+z=17, x y z=171$ and $x y+y z+z x=111$, then the value of $\sqrt[3]{\left(x^3+y^3+z^3+x y z\right)}$ is:
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