This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
mqb2766.bsky.social
did:plc:s2uoixske6t33pc4de2ilxsp
With a bit of scribbing for a gentler way, expressing the green circle centre/radius locus in terms of y (other post) and then finding the distance from the parabola (X,X^2-1) and equating distance and derivative gives the result but computation heavy. Subbing the derivative into the distance.
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2025-08-27T08:49:54.306Z