Imaginary Roots Math Definition. Imaginary number definition illustrated mathematics dictionary illustrated definition of imaginary number. It is mostly written in the form of real numbers multiplied by the imaginary unit called i.
But in electronics they use j because i already means current and the next letter after i is j. Can you take the square root of 1. When we square a real number multiply it by itself.
In mathematics the symbol for 1 is i for imaginary.
The real numbers are not closed under taking square roots. In other words imaginary numbers are defined as the square root of the negative numbers where it does not have a definite value. The real numbers are not closed under taking square roots. A number that when squared gives a negative result.