... integral A =b a f(x)dx .Argand diagram The basic idea of complexnumbers is credited to Jean Robert Argand, a Swiss mathematician (1768–1822). An Arganddiagram is a rectangular coordinate ... number of arguments of a relation.array A display of objects in some regulararrangements, as a rectangular array or matrixin which numbers are displayed in rows and columns, or an arrangement of ... domain of r and B itscodomain. The elements ofB related, via a rela-tionr to an elementa A is called the image ofaunderr, and denoted byr (a) . The unionr (A) of allr (a) ,a A, is called the range...