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| 668 | On the integration of the formula (dx √(1+x4))/(1-x4) and of others of the same type by logarithms and circular arcs |
| 669 | Memorabile genus formularum differentialium maxime irrationalium quas tamen ad rationalitatem perducere licet |
| 670 | De resolutione formulae integralis ∫ (xm-1 dx)(Δ + xn)λ in seriem semper convergentem, ubi simul plura insignia artificia circa serierum summationem explicantur |
| 671 | De formulis differentialibus angularibus maxime irrationalibus, quas tamen per logarithmos et arcus circulares integrare licet |
| 672 | A memorable theorem about the integral formula ∫ (dφ cos(λφ))/(1+aa-2acos(φ))n+1 |
| 673 | A conjectural disquisition about the integral formula ∫ (dφcos(iφ))/(α+βcos(φ))n |
| 674 | Demonstratio theorematis insignis per coniecturam eruti circa intagrationem formulae ∫ (dφ cos(iφ))/(1+aa-2acos(φ))n+1 |
| 675 | On the values of integrals where the variable term is extended x = 0 all the way to x = ∞ |
| 676 | Methodus succinctior comparationes quantitatum transcendentium in forma ∫ (P dz)/√(A + 2Bz + Czz + 2Dz3 + Ez4) contentarum inveniendi |
| 677 | Special methods for resolving differential equations of the second degree |
| 678 | A new method for investigating all cases in which the differential equation ddy(1-axx) - bx dx dy - cy dx2 = 0 is permitted to resolve |
| 679 | De formulis integralibus implicatis earumque evolutione et transformatione |
| 680 | De aequationibus differentialibus cuiuscunque gradus quae denuo differentiatae integrari possunt |
| 681 | Specimen aequationum differentialium indefiniti gradus earumque integrationis |