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| a number or quantity placed before and multiplying another quantity, such as 3 in the expression 3x |
| the assumed limit of a sequence or series that increases without bound; infinite distance |
| Argand diagram (ˈɑːɡænd) | |
| —n | |
| maths See also amplitude a diagram in which complex numbers are represented by the points in the plane the coordinates of which are respectively the real and imaginary parts of the number, so that the number x + iy is represented by the point (x, y), or by the corresponding vector . If the polar coordinates of (x, y) are (r, θ), r is the modulus and θ the argument of x + iy | |
| [C19: named after Jean-Robert Argand (1768--1822), French mathematician] | |