\lim \frac { 6 \sin x - \sin 6 x } { x ^ { 3 } }
評估
2l\left(Im(\frac{1}{x^{3}})\left(10Re(\left(\sin(x)\right)^{3})Re(\left(\cos(x)\right)^{3})-10Im(\left(\sin(x)\right)^{3})Im(\left(\cos(x)\right)^{3})+3Im(\sin(x))Im(\left(\cos(x)\right)^{5})+3Im(\cos(x))Im(\left(\sin(x)\right)^{5})-3Re(\sin(x))Re(\left(\cos(x)\right)^{5})-3Re(\cos(x))Re(\left(\sin(x)\right)^{5})+3Re(\sin(x))\right)+Re(\frac{1}{x^{3}})\left(10Re(\left(\sin(x)\right)^{3})Im(\left(\cos(x)\right)^{3})+10Re(\left(\cos(x)\right)^{3})Im(\left(\sin(x)\right)^{3})-3Re(\sin(x))Im(\left(\cos(x)\right)^{5})-3Re(\cos(x))Im(\left(\sin(x)\right)^{5})-3Im(\sin(x))Re(\left(\cos(x)\right)^{5})-3Im(\cos(x))Re(\left(\sin(x)\right)^{5})+3Im(\sin(x))\right)\right)
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}