| # |
ID |
ODE |
Solved? |
Maple |
Mma |
Sympy |
time(sec) |
| 25301 |
\begin{align*}
x_{1}^{\prime }&=x_{2} \\
x_{2}^{\prime }&=x_{3} \\
x_{3}^{\prime }&=-a x_{3}-b x_{2}-c x_{1} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
20.982 |
|
| 25302 |
\begin{align*}
5 \left (t^{2}+1\right ) y^{\prime }&=4 t y \left (y^{3}-1\right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.014 |
|
| 25303 |
\begin{align*}
\left (1+{\mathrm e}^{-\frac {y}{x}}\right ) y^{\prime }+1-\frac {y}{x}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.015 |
|
| 25304 |
\begin{align*}
\left (1+3 x \right ) y^{\prime \prime }+x y^{\prime }+2 y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.021 |
|
| 25305 |
\begin{align*}
x^{2} y^{\prime \prime }+\left (a \,x^{2}+b \right ) x y^{\prime }+f \left (x \right ) y&=0 \\
\end{align*} |
✗ |
✗ |
✗ |
✗ |
21.038 |
|
| 25306 |
\begin{align*}
y&={y^{\prime }}^{2} x +\ln \left ({y^{\prime }}^{2}\right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.053 |
|
| 25307 |
\begin{align*}
\left (-2+2 y\right ) y^{\prime }&=2 x -1 \\
y \left (0\right ) &= 1 \\
\end{align*} |
✓ |
✓ |
✗ |
✓ |
21.074 |
|
| 25308 |
\begin{align*}
y^{\prime }-\frac {\sqrt {y^{2}-1}}{\sqrt {x^{2}-1}}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.086 |
|
| 25309 |
\begin{align*}
y \sqrt {x^{2}+y^{2}}+y x&=x^{2} y^{\prime } \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.096 |
|
| 25310 |
\begin{align*}
y^{\prime }&=\frac {2 a +x \sqrt {-y^{2}+4 a x}}{y} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.138 |
|
| 25311 |
\begin{align*}
y^{\prime }&=\frac {-\sin \left (\frac {y}{x}\right ) y+y \sin \left (\frac {3 y}{2 x}\right ) \cos \left (\frac {y}{2 x}\right )+y \cos \left (\frac {y}{2 x}\right ) \sin \left (\frac {y}{2 x}\right )+2 \sin \left (\frac {y}{x}\right ) \cos \left (\frac {y}{2 x}\right ) \sin \left (\frac {y}{2 x}\right ) x +2 \sin \left (\frac {y}{x}\right ) x^{3} \cos \left (\frac {y}{2 x}\right ) \sin \left (\frac {y}{2 x}\right )+2 \sin \left (\frac {y}{x}\right ) x^{4} \cos \left (\frac {y}{2 x}\right ) \sin \left (\frac {y}{2 x}\right )}{2 \cos \left (\frac {y}{x}\right ) \cos \left (\frac {y}{2 x}\right ) \sin \left (\frac {y}{2 x}\right ) x} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.140 |
|
| 25312 |
\begin{align*}
y^{\prime }&=\frac {x -y+2}{x +y-1} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.145 |
|
| 25313 |
\begin{align*}
\left (y^{4}+x^{2} y^{2}-x^{2}\right ) {y^{\prime }}^{2}+2 x y y^{\prime }-y^{2}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.191 |
|
| 25314 |
\begin{align*}
y y^{\prime \prime }&=-a^{2}+{y^{\prime }}^{2} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.204 |
|
| 25315 |
\begin{align*}
2 x -3 y+\left (-3 x +2 y\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.208 |
|
| 25316 |
\begin{align*}
\left (x +y\right ) y^{\prime }&=x -y \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.217 |
|
| 25317 |
\begin{align*}
z^{\prime }+z \cos \left (x \right )&=z^{n} \sin \left (2 x \right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.222 |
|
| 25318 |
\begin{align*}
x^{2}-y x +y^{2}-x y y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.276 |
|
| 25319 |
\begin{align*}
y^{\prime }&=-\frac {x}{2}+\frac {\sqrt {x^{2}+4 y}}{2} \\
y \left (0\right ) &= 1 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.301 |
|
| 25320 |
\begin{align*}
y^{\prime }&=-\frac {3 t^{2}+2 y^{2}}{4 y t +6 y^{2}} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.307 |
|
| 25321 |
\begin{align*}
\tan \left (y\right ) y^{\prime }+4 \cos \left (y\right ) x^{3}&=2 x \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.314 |
|
| 25322 |
\begin{align*}
2 x +3 y-5+\left (3 x +2 y-5\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.321 |
|
| 25323 |
\begin{align*}
2 x -y+\left (4 x +y-3\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.344 |
|
| 25324 |
\begin{align*}
x^{3}+3 x y^{2}+\left (y^{3}+3 x^{2} y\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.372 |
|
| 25325 |
\begin{align*}
\sqrt {1+{y^{\prime }}^{2}}+a y^{\prime }&=x \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.381 |
|
| 25326 |
\begin{align*}
2 x +y+\left (2 y+2 x \right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.383 |
|
| 25327 |
\begin{align*}
x^{\prime }&=7 x-4 y+10 \,{\mathrm e}^{t} \\
y^{\prime }&=3 x+14 y+6 \,{\mathrm e}^{2 t} \\
\end{align*}
With initial conditions \begin{align*}
x \left (0\right ) &= 1 \\
y \left (0\right ) &= -1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.385 |
|
| 25328 |
\begin{align*}
\sin \left (x \right ) y^{\prime \prime }+x y^{\prime }+7 y&=1 \\
y \left (1\right ) &= 1 \\
y^{\prime }\left (1\right ) &= 0 \\
\end{align*} |
✗ |
✗ |
✗ |
✗ |
21.411 |
|
| 25329 |
\begin{align*}
x_{1}^{\prime }&=x_{1}-x_{2}-x_{3}+{\mathrm e}^{3 t} \\
x_{2}^{\prime }&=x_{1}+3 x_{2}+x_{3}-{\mathrm e}^{3 t} \\
x_{3}^{\prime }&=-3 x_{1}+x_{2}-x_{3}-{\mathrm e}^{3 t} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.421 |
|
| 25330 |
\begin{align*}
t^{2} y^{\prime \prime }+3 t y^{\prime }-4 y&=t^{4} \\
y \left (-1\right ) &= y_{1} \\
y^{\prime }\left (-1\right ) &= y_{1} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.434 |
|
| 25331 |
\begin{align*}
x +y+\left (x -y\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.436 |
|
| 25332 |
\begin{align*}
y^{\prime }&=\frac {x}{y} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.445 |
|
| 25333 |
\begin{align*}
y^{\prime }&=\frac {2 x +y-4}{x -y+1} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.463 |
|
| 25334 |
\begin{align*}
y \left (x +y+1\right )+x \left (x +3 y+2\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.466 |
|
| 25335 |
\begin{align*}
\left (x^{2}+2 y \,{\mathrm e}^{2 x}\right ) y^{\prime }+2 y x +2 y^{2} {\mathrm e}^{2 x}&=0 \\
y \left (0\right ) &= 1 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.475 |
|
| 25336 |
\begin{align*}
{y^{\prime }}^{2} x^{2}-2 x y y^{\prime }+y^{2}&=x^{2} y^{2}+x^{4} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.478 |
|
| 25337 |
\begin{align*}
x_{1}^{\prime }&=x_{1}+x_{2}-x_{3}+{\mathrm e}^{2 t} \\
x_{2}^{\prime }&=2 x_{1}+3 x_{2}-4 x_{3}+2 \,{\mathrm e}^{2 t} \\
x_{3}^{\prime }&=4 x_{1}+x_{2}-4 x_{3}+{\mathrm e}^{2 t} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.481 |
|
| 25338 |
\begin{align*}
y^{\prime } \sqrt {-x^{2}+1}-y \sqrt {y^{2}-1}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.487 |
|
| 25339 |
\begin{align*}
2 y^{\prime }+a x&=\sqrt {a^{2} x^{2}-4 b \,x^{2}-4 c y} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.488 |
|
| 25340 |
\begin{align*}
y^{\prime \prime }&=\frac {1}{\sqrt {a y}} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.541 |
|
| 25341 |
\begin{align*}
x -2 y+1&=\left (x -2 y\right ) y^{\prime } \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.544 |
|
| 25342 |
\begin{align*}
y^{\prime }&=\frac {2 x +3 y}{x -4 y} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.569 |
|
| 25343 |
\begin{align*}
y^{\prime }&=-a \ln \left (x \right ) y^{2}+a f \left (x \right ) \left (x \ln \left (x \right )-x \right ) y-f \left (x \right ) \\
\end{align*} |
✓ |
✓ |
✗ |
✗ |
21.584 |
|
| 25344 |
\begin{align*}
a \left (1+{y^{\prime }}^{3}\right )^{{1}/{3}}+b x y^{\prime }-y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.585 |
|
| 25345 |
\begin{align*}
\left (x -y\right ) y^{\prime }&=\left ({\mathrm e}^{-\frac {x}{y}}+1\right ) y \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.594 |
|
| 25346 |
\begin{align*}
2 x y^{\prime }+y \left (1+y^{2}\right )&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.595 |
|
| 25347 |
\begin{align*}
x^{2} \left (x -1\right ) y^{\prime }-y^{2}-x \left (x -2\right ) y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.606 |
|
| 25348 |
\begin{align*}
y^{\prime }&=\frac {2 y-x +7}{4 x -3 y-18} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.608 |
|
| 25349 |
\begin{align*}
y^{\prime }&=\frac {x^{2}+2 y^{2}}{y x} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.612 |
|
| 25350 |
\begin{align*}
a y \left (1+{y^{\prime }}^{2}\right )^{2}+y^{\prime \prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.628 |
|
| 25351 |
\begin{align*}
x y^{2} y^{\prime }&=x^{3}+y^{3} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.640 |
|
| 25352 |
\begin{align*}
\left (y^{3}+\frac {x}{y}\right ) y^{\prime }&=1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.688 |
|
| 25353 |
\begin{align*}
y^{\prime }&=\frac {-x +3 y-14}{x +y-2} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.691 |
|
| 25354 |
\begin{align*}
-\frac {1}{y}+\left (\frac {t}{y^{2}}+3 y^{2}\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.697 |
|
| 25355 |
\begin{align*}
{y^{\prime }}^{4}&=\frac {1}{x y^{3}} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.702 |
|
| 25356 |
\begin{align*}
x y^{\prime }+a \sqrt {x^{2}+y^{2}}-y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.751 |
|
| 25357 |
\begin{align*}
y t -y^{2}+t \left (t -3 y\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.751 |
|
| 25358 |
\begin{align*}
3 x^{2}+2 y x -2 y^{2}+\left (2 x^{2}+6 y x +y^{2}\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.754 |
|
| 25359 |
\begin{align*}
y^{\prime }&=a \,x^{1+2 n} y^{3}+b \,x^{-n -2} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.765 |
|
| 25360 |
\begin{align*}
y^{\prime }&=\frac {2 x y}{x^{2}-y^{2}} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.774 |
|
| 25361 |
\begin{align*}
3 x +2 y^{2}+2 x y y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.781 |
|
| 25362 |
\begin{align*}
y-x +\left (x +y\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.783 |
|
| 25363 |
\begin{align*}
2 y^{\prime }&=\frac {y}{x}+\frac {y^{2}}{x^{2}} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.786 |
|
| 25364 |
\begin{align*}
y^{\prime \prime }+y^{\prime }+y&=\operatorname {Heaviside}\left (t -\pi \right )-\operatorname {Heaviside}\left (t -2 \pi \right ) \\
y \left (0\right ) &= 1 \\
y^{\prime }\left (0\right ) &= 0 \\
\end{align*}
Using Laplace transform method. |
✓ |
✓ |
✓ |
✓ |
21.807 |
|
| 25365 |
\begin{align*}
y^{\prime }+x^{3}&=x \sqrt {x^{4}+4 y} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.820 |
|
| 25366 |
\begin{align*}
\left (\cos \left (x +y\right )+\sin \left (x -y\right )\right ) y^{\prime }&=\cos \left (2 x \right ) \\
\end{align*} |
✗ |
✓ |
✓ |
✗ |
21.828 |
|
| 25367 |
\begin{align*}
x y^{\prime }-y+\sqrt {y^{2}-x^{2}}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.832 |
|
| 25368 |
\begin{align*}
y^{\prime }&=\cos \left (y\right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.832 |
|
| 25369 |
\begin{align*}
x y y^{\prime }+x^{2}+y^{2}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.833 |
|
| 25370 |
\begin{align*}
x y^{\prime }+3&=4 x \,{\mathrm e}^{-y} \\
y \left (2\right ) &= 0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.836 |
|
| 25371 |
\begin{align*}
x \left (x^{2}+a x y+y^{2}\right ) y^{\prime }&=\left (x^{2}+b x y+y^{2}\right ) y \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.852 |
|
| 25372 |
\begin{align*}
\left (x -y\right )^{2} y^{\prime }&=4 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.859 |
|
| 25373 |
\begin{align*}
y-\left (x +\sqrt {y^{2}-x^{2}}\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.861 |
|
| 25374 |
\begin{align*}
x \left (a -x^{2}-y^{2}\right ) y^{\prime }+\left (a +x^{2}+y^{2}\right ) y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.872 |
|
| 25375 |
\begin{align*}
s^{2}+s^{\prime }&=\frac {s+1}{s t} \\
\end{align*} |
✗ |
✗ |
✗ |
✗ |
21.899 |
|
| 25376 |
\begin{align*}
\left (x \cos \left (\frac {y}{x}\right )+\sin \left (\frac {y}{x}\right ) y\right ) y&=\left (\sin \left (\frac {y}{x}\right ) y-x \cos \left (\frac {y}{x}\right )\right ) x y^{\prime } \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.902 |
|
| 25377 |
\begin{align*}
y^{\prime }&=-\frac {4 t}{y} \\
y \left (0\right ) &= y_{0} \\
\end{align*} |
✓ |
✗ |
✓ |
✓ |
21.904 |
|
| 25378 |
\begin{align*}
2 x +\frac {1}{y}+\left (\frac {1}{y}-\frac {x}{y^{2}}\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.909 |
|
| 25379 |
\begin{align*}
y^{\prime }&=\frac {x^{3}+y^{3}}{x y^{2}} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.928 |
|
| 25380 |
\begin{align*}
y^{\prime }&=a \,x^{m}+b \,x^{n} y^{2} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
21.935 |
|
| 25381 |
\begin{align*}
\left (y^{\prime }+1\right ) \ln \left (\frac {x +y}{x +3}\right )&=\frac {x +y}{x +3} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.946 |
|
| 25382 |
\begin{align*}
y^{2}-3 y x -2 x^{2}+\left (y x -x^{2}\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.955 |
|
| 25383 |
\begin{align*}
x^{2}+y^{2}+2 x y y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.964 |
|
| 25384 |
\begin{align*}
2 x +3 y+1+\left (2 y-3 x +5\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.967 |
|
| 25385 |
\begin{align*}
-\frac {y^{2} {\mathrm e}^{\frac {y}{t}}}{t^{2}}+1+{\mathrm e}^{\frac {y}{t}} \left (1+\frac {y}{t}\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
21.994 |
|
| 25386 |
\begin{align*}
\left (-x +2 y\right ) y^{\prime }-y-2 x&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
22.015 |
|
| 25387 |
\begin{align*}
y^{\prime }&=\frac {y^{2}+2 y t}{t^{2}+y t} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
22.048 |
|
| 25388 |
\begin{align*}
x^{3} {y^{\prime }}^{3}-3 x^{2} y {y^{\prime }}^{2}+\left (3 x y^{2}+x^{6}\right ) y^{\prime }-y^{3}-2 x^{5} y&=0 \\
\end{align*} |
✓ |
✗ |
✓ |
✗ |
22.052 |
|
| 25389 |
\begin{align*}
x y^{\prime }&=f \left (x \right ) \left (y+a \ln \left (x \right )\right )^{2}-a \\
\end{align*} |
✗ |
✓ |
✓ |
✗ |
22.111 |
|
| 25390 |
\begin{align*}
\left (x +y\right )^{2} y^{\prime }&=a^{2} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
22.116 |
|
| 25391 |
\begin{align*}
a \,x^{2} {y^{\prime }}^{2}-2 a x y y^{\prime }+a \left (1-a \right ) x^{2}+y^{2}&=0 \\
\end{align*} |
✓ |
✓ |
✗ |
✓ |
22.135 |
|
| 25392 |
\begin{align*}
\left (y^{\prime }+1\right ) \ln \left (\frac {x +y}{x +3}\right )&=\frac {x +y}{x +3} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
22.151 |
|
| 25393 |
\begin{align*}
y^{\prime }&=\frac {1}{y+2+\sqrt {1+3 x}} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
22.167 |
|
| 25394 |
\begin{align*}
y^{\prime }&=y^{2}-x \\
y \left (0\right ) &= 0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
22.181 |
|
| 25395 |
\begin{align*}
3 x^{2}-y^{2}-\left (y x -\frac {x^{3}}{y}\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
22.227 |
|
| 25396 |
\begin{align*}
x^{2} y^{\prime \prime }+x y^{\prime }+y&=\sec \left (\ln \left (x \right )\right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
22.228 |
|
| 25397 |
\begin{align*}
x +\sin \left (\frac {y}{x}\right )^{2} \left (-x y^{\prime }+y\right )&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
22.239 |
|
| 25398 |
\begin{align*}
y^{\prime }&=\frac {t +y+1}{t -y+3} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
22.276 |
|
| 25399 |
\begin{align*}
\left (-x +y\right ) y^{\prime }+y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
22.279 |
|
| 25400 |
\begin{align*}
y y^{\prime }+a y+x&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
22.286 |
|