What is the precise definition of $i$?
I've made my comment above into an answer.
This is an excellent question to ask. This section of the Wikipedia page should help.
Tags:
Complex Numbers
Related
Picard's Little Theorem Proofs
Motzkin paths and central trinomial coefficient
How can I prove this random process to be Standard Brownian Motion?
Is a prime factor of a number always less than its square root?
Closure of the Laplacian in $L^2(\mathbb R^n)$
Why do we use a Least Squares fit?
Produce output with certain probability using fair coin flips
Continuity of the roots of a polynomial in terms of its coefficients
How did "one-to-one" come to mean "injective"?
What is a universal property?
If $G/Z(G)$ is cyclic, then $G$ is abelian
Is there a 3-dimensional "matrix" by "matrix" product?
Recent Posts
Pandas how to find column contains a certain value
Recommended way to install multiple Python versions on Ubuntu 20.04
Build super fast web scraper with Python x100 than BeautifulSoup
How to convert a SQL query result to a Pandas DataFrame in Python
How to write a Pandas DataFrame to a .csv file in Python