Gjej n, m, o, p, q, r
r\in (-\infty,\frac{10(5-\sqrt{42})}{3}]\cup [\frac{10(\sqrt{42}+5)}{3},\infty)\text{, }n=\frac{-\sqrt{9r^{2}-300r-1700}-3r-20}{42}\text{, }m=\frac{-\sqrt{9r^{2}-300r-1700}+3r-20}{30}\text{, }o=r\text{, }p=r\text{, }q=r\text{; }r\in (-\infty,\frac{10(5-\sqrt{42})}{3}]\cup [\frac{10(\sqrt{42}+5)}{3},\infty)\text{, }n=\frac{5(\sqrt{9r^{2}-300r-1700}+3r+10)}{3(-\sqrt{9r^{2}-300r-1700}-3r+50)}\text{, }m=\frac{\sqrt{9r^{2}-300r-1700}+3r-20}{30}\text{, }o=r\text{, }p=r\text{, }q=r
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