Re: MX2 2016 Integration Marathon
I put the word corners in inverted commas because I was using it informally. I think for a cusp, the tangents should be equal for the two meeting branches (http://mathworld.wolfram.com/Cusp.html) (which is not the case for this function's graph).I don't want to be nitpicky, but isn't the technical term "cusp"?
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