4 thoughts on “Tangent to cubic #1 (Advanced)

  1. It took a while to learn how to use the list command. I settled on the set from -15 to + 15 and created a list of a = [ -15.0, -14.9, … 15.0 ]
    y = x^3
    y – a^3 = (3a^2)(x-a)
    This produced a result very much like yours.

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