LEMNISCATE
Bernoulli 1694
a (scale)
1.00
Cassini n
2.00
(x²+y²)² = 2a²(x²−y²)
r² = 2a²cos(2θ)
Generalized: (x²+y²)ⁿ = aⁿ(x²−y²)
Product of distances from (±a,0) is constant a²
Animate tracer
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