求解 x, y, z 的值 (复数求解)
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{81-8b}+5}{8}\text{ or }\beta =\frac{\sqrt{81-8b}+5}{8}\right)\text{ and }a=b
求解 x, y, z 的值
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{, }\left(\beta =\frac{\sqrt{81-8b}+5}{8}\text{ or }\beta =\frac{-\sqrt{81-8b}+5}{8}\right)\text{ and }b\leq \frac{81}{8}\text{ and }a=b
共享
已复制到剪贴板
示例
二次方程式
{ x } ^ { 2 } - 4 x - 5 = 0
三角学
4 \sin \theta \cos \theta = 2 \sin \theta
线性方程
y = 3x + 4
算术
699 * 533
矩阵
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
联立方程
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
微分
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
积分
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
限制
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}