Coincidence-Dev --- Introduction ---

Coincidence-Dev is a graphical exercise.

You see here a curve representing a continuous function (and sufficiently differentiable). Your aim is to find the Taylor expansion of this function, in the neighborhood of 0.

You have the right to make several tries; each time you give a reply, you will see the curve of your Taylor expansion' appear at the same time with that of the function. And you may modify the reply so that the two curves resembles each other in the best possible way.

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