```python
%matplotlib inline
```


```python
from sympy import *
from sympy.plotting import plot_implicit

init_printing()
x = Symbol('x')
y = Symbol('y')
f =  x ** 2 / 25 + y ** 2 / 9  - 1

plot_implicit(f, (x, -10, 10), (y, -10, 10))
```


```python
solve(Eq(f, 0), y ** 2)
```


```python
dydx = diff((- 9 * x ** 2 / 25 + 9), x) / 2
dydx
```


```python
g = Function('g')
g = dydx * (x - 1) - y + f(x)
```


```python
f.subs([x, 1])
```


```python
g = x + y
g.subs([x, 1])
```


```python

```

83f3bb4dcefb3eeb05d13faddbd43ebdd4d9535f
ipynb
Jupyter Notebook
ellipse's tangent.ipynb
ara-ta3/jupyter-misc
f509abd84e51c0cc2d70a3f53a334cf8f84cf451
MIT
ellipse's tangent.ipynb
ara-ta3/jupyter-misc
f509abd84e51c0cc2d70a3f53a334cf8f84cf451
MIT
ellipse's tangent.ipynb
ara-ta3/jupyter-misc
f509abd84e51c0cc2d70a3f53a334cf8f84cf451
MIT
Qwen/Qwen-72B
1. YES
2. YES