A Method of Extending Cardan's Rule for Resolving One Case of a Cubick Equation of This Form, $x^{3}\ast -qx=r$, to the Other Case of the Same Equation, Which It is Not Naturally Fitted to Solve, and Which is Therefore Often Called the Irreducible Case. B
A Method of Finding the Value of an Infinite Series of Decreasing Quantities of a Certain Form, When It Converges Too Slowly to Be Summed in the Common Way by the Mere Computation and Addition or Subtraction of Some of Its Initial Terms. By Francis Masere