評估
h=-\frac{\sqrt{3}\sqrt[3]{267578125\sqrt{141721}+103881555199}i}{1250}+\frac{\sqrt{3}\sqrt[3]{103881555199-267578125\sqrt{141721}}i}{1250}-\frac{\sqrt[3]{267578125\sqrt{141721}+103881555199}}{1250}-\frac{\sqrt[3]{103881555199-267578125\sqrt{141721}}}{1250}+\frac{274}{625}\text{ or }h=\frac{\sqrt{3}\sqrt[3]{267578125\sqrt{141721}+103881555199}i}{1250}-\frac{\sqrt{3}\sqrt[3]{103881555199-267578125\sqrt{141721}}i}{1250}-\frac{\sqrt[3]{267578125\sqrt{141721}+103881555199}}{1250}-\frac{\sqrt[3]{103881555199-267578125\sqrt{141721}}}{1250}+\frac{274}{625}\text{ or }h=\frac{\sqrt[3]{267578125\sqrt{141721}+103881555199}+\sqrt[3]{103881555199-267578125\sqrt{141721}}+274}{625},\ \text{false},\ j=i,\ k=j,\ l=k,\ m=l
共享
已復制到剪貼板
示例
二次方程式
{ x } ^ { 2 } - 4 x - 5 = 0
三角學
4 \sin \theta \cos \theta = 2 \sin \theta
線性方程
y = 3x + 4
算術
699 * 533
矩陣
\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]
聯立方程
\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 ) }
積分
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
限制
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}