## What is Argand diagram explain with example?

It is very useful to have a graphical or pictorial representation of complex numbers. For example, the complex number z = 3+4i is represented as a point in the xy plane with coordinates (3, 4) as shown in Figure 1. That is, the real part, 3, is plotted on the x axis, and the imaginary part, 4, is plotted on the y axis.

### How do you find the Argand of a complex number?

The argument of a complex number ๐ง = ๐ + ๐ ๐ can be obtained using the inverse tangent function in each quadrant as follows:

- If ๐ง lies in the first or the fourth quadrant, a r g a r c t a n ( ๐ง ) = ๏ฝ ๐ ๐ ๏ .
- If ๐ง lies in the second quadrant, a r g a r c t a n ( ๐ง ) = ๏ฝ ๐ ๐ ๏ + ๐ .

#### How do you represent an Argand plane?

Argand plane is used to represent a complex number. A complex number of the form z = x + iy is represented as a point (x, y) in the argand plane. The modulus of a complex number z = x + iy is |z| = โx2+y2 x 2 + y 2 , and it represents the distance of the point (x, y) from the origin O, of the argand plane.

**Why are Argand diagrams important?**

Argand diagrams are frequently used to plot the positions of the zeros and poles of a function in the complex plane.

**What is Argand diagram in mathematics?**

Argand diagram. / (หษหษกรฆnd) / noun. maths 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 + i y is represented by the point (x, y), or by the corresponding vector < x, y >.

## What is Argand diagram math?

Argand diagram, graphic portrayal of complex numbers, those of the form x + yi, in which x and y are real numbers and i is the square root of โ1. It was devised by the Swiss mathematician Jean Robert Argand about 1806.

### What is Argand diagram in physics?

Argand Diagrams Each point in this real/imaginary plane (as well as the phasor that points to it from the origin) corresponds to a unique complex number. This graphical representation is known as an Argand diagram.

#### What is Argand plane and polar representation?

Argand Plane & Polar Representation Of Complex Number The complex number x+iy which corresponds to the ordered pair(x, y)is represented geometrically as the unique point (x, y) in the XY-plane. For example, The complex number, 2+3i corresponds to the ordered pair (2, 3) geometrically.

**Who introduced the Argand diagram?**

**Is Argand plane and polar representation same?**

The origin is called the pole and the positive X-axis is called the initial line. We can write z = x + iy as z = r cosฮธ + ir sinฮธ = r(cosฮธ + i sinฮธ), which is called the polar form of complex number….Argand Plane.

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