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2y'-y=4sin(3t)

导数

导数应用

极限

积分

积分应用

积分近似计算新建

级数
- 收敛
- 幂级数
  - 收敛半径新建
  - 收敛区间新建

ODE（常微分方程）

多元微积分新建

拉普拉斯变换
- 变换
- 逆变换

泰勒/麦克劳林级数
- 泰勒级数
- 麦克劳林级数

傅立叶级数

大键盘 »

\square^{2}

x^{\square}

\sqrt{\square}

\nthroot[\msquare]{\square}

\frac{\msquare}{\msquare}

\log_{\msquare}

\pi

\theta

\infty

\int

\frac{d}{dx}

\ge	\le	\cdot	\div	x^{\circ}	(\square)	\|\square\|	(f\:\circ\:g)	f(x)	\ln	e^{\square}
\left(\square\right)^{'}	\frac{\partial}{\partial x}	\int_{\msquare}^{\msquare}	\lim	\sum	\sin	\cos	\tan	\cot	\csc	\sec

正确答案 :)

让我们再次尝试 :(

Try to further simplify

例题

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