E264 -- Demonstratio theorematis et solutio problematis in actis erud. Lipsiensibus propositorum

(Proof of a theorem and solution of a theorem proposed in the Acta Eruditorum of Leipzig)


Summary:

Euler looks at properties of the elliptic integral. The theorem is: “Semissis ellipseos quaeque ita secatur ut partium differentia sit geometrice assignabilis.” The problem is: “Constructio geometrica arcus postulatur, qui sit semissis quadrantis elliptici.” Also see 1754 (E211). According to C. G. J. Jacobi, a treatise with this title was read to the Berlin Academy on February 13, 1755.

According to the records, it was presented to the St. Petersburg Academy on August 18, 1755.

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