Լուծեք {l}{4x^2-5x-1=0}{y=7+10beta-8beta^2}{z=y}{a=z}{b=a}{text{Solvefor}ctext{where}}{c=b}

$$\left. \begin{array} { l } { 4 x ^ {2} - 5 x - 1 = 0 }\\ { y = 7 + 10 \beta - 8 \beta ^ {2} }\\ { z = y }\\ { a = z }\\ { b = a }\\ { \text{Solve for } c \text{ where} } \\ { c = b } \end{array} \right.$$

Լուծել x, y, z-ի համար (complex solution)

$$x=\frac{5-\sqrt{41}}{8}\approx -0.17539053\text{, }y=7+10\beta -8\beta ^{2}\text{, }z=7+10\beta -8\beta ^{2}$$

$$x=\frac{\sqrt{41}+5}{8}\approx 1.42539053\text{, }y=7+10\beta -8\beta ^{2}\text{, }z=7+10\beta -8\beta ^{2}\text{, }\left(\beta =\frac{-\sqrt{81-8c}+5}{8}\text{ or }\beta =\frac{\sqrt{81-8c}+5}{8}\right)\text{ and }b=c\text{ and }a=c$$

Լուծել x, y, z-ի համար

$$x=\frac{5-\sqrt{41}}{8}\text{, }y=7+10\beta -8\beta ^{2}\text{, }z=7+10\beta -8\beta ^{2}$$

$$x=\frac{\sqrt{41}+5}{8}\text{, }y=7+10\beta -8\beta ^{2}\text{, }z=7+10\beta -8\beta ^{2}\text{, }b=c\text{ and }a=c\text{ and }\left(\beta =\frac{-\sqrt{81-8c}+5}{8}\text{ or }\beta =\frac{\sqrt{81-8c}+5}{8}\right)\text{ and }c\leq \frac{81}{8}$$