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 \frac{x^2}{a^2}+\frac{y^2}{b^2}=1

AB∥x

A B∥y

\frac{x^2}{b^2}+\frac{y^2}{a^2}=1

A

B

C

D

S\left [ 0,0 \right ] 

x^2+y^2=9

F_1

F_2

Středová rovnice elipsy

Kružnice

c = -3 (slider from -3 to 3, step 1)
a: 3 + abs(c)
b = 3
B: (a, 0)
S = (0, 0)
A = Mirror(B, S)
C = (0, 3)
D = (0, -3)
d: a^(2)
text1: "\frac{x^2}{" + (LaTeX[d]) + "}+\frac{y^2}{9}=1"
e = Circle(C, a)
F_3, F_4 = Intersect(e, xAxis)
f = Ellipse(F_3, F_4, C)
A': (0, a)
B': (0, -a)
C' = (-3, 0)
D' = (3, 0)
g = Circle(C', a)
F_2, F_1 = Intersect(g, yAxis)
h = Ellipse(F_1, F_2, C')
text2: "\frac{x^2}{9}+\frac{y^2}{" + (LaTeX[d]) + "}=1"
E = (6.73, 2.67)
text3: "a=" + a + " ,  b=3 "
F = (6.7, -3.36)
G = (5.68, -5.1)