první polára

druhá polára

tečny ke křivce vedené bodem B

x_0 = 1 (slider from -5 to 5, step 0.1)
y_0 = 1 (slider from -10 to 10, step 0.1)
B = Point({x_0, y_0})
prvnipolara: -4 * y_0 * y + 6 * x_0 * x^(2) + 2 * y_0 * x * y + (2 * x_0 - 4) * y^(2) = 0
a, b, d = Tangent(B, dk)
druhapolara: -2 * y_0^(2) + (3 * x_0^(2) + y_0^(2)) * x + (2 * x_0 * y_0 - 4 * y_0) * y = 0
f = true
g = true
c = true