Modulus: It is defined as
Argument: Arg(Z): It is defined as
it is also known as amplitude of Z symbolically amp(Z)
If |Z|=0 then x=0 and y=0
The Argument θ of a complex number is not unique.
If θ be the value of argument so also is 2nπ + θ where n=0,± 1, ±2,…
Principal Value Argument.: The value of argument which satisfy the inequality
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