Royce Wende asked, updated on March 16th, 2021; Topic:
imaginary numbers

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Much like **zero** is neither positive nor negative because it sits in the center of the Cartesian plane, why can't it be neither **imaginary** nor **real** when it sits in the center of the **imaginary** plane? According to Wolfram's MathWorld, a purely **imaginary number** is a complex **number** z that has no **real** part, i.e., R[z] = **0**.

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Ever, who discovered the number I?

Originally coined in the 17th **century** by **René Descartes** as a derogatory term and regarded as fictitious or useless, the concept gained wide acceptance following the work of **Leonhard Euler** (in the 18th **century**) and **Augustin-Louis Cauchy** and **Carl Friedrich Gauss** (in the early 19th **century**).

Short, who invented complex numbers? Gerolamo Cardano

Different, who invented complex and imaginary numbers?

William Rowan Hamilton

What is I used for in math?

The imaginary unit or unit imaginary number (i) is a solution to the quadratic equation x2 + 1 = 0. Although there is no real number with this property, i can be **used** to extend the real numbers to what are called complex numbers, using addition and multiplication.

The square **root** of 1 **value** is: √1 = 1. As 1 is a real number and the square of any number is positive, we can assume that the square **root** of 1 is 1 itself. Representing this mathematically we get the following: sqrt(1) = √1.

: the science of numbers, quantities, and shapes and the relations between them. **mathematics**.

Unlike literature, history, politics and music, **math** has little relevance to everyday **life**. ... All the **mathematics** one **needs** in real **life** can be learned in early years without much fuss. Most adults have no contact with **math** at work, nor **do** they curl up with an algebra book for relaxation.

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