Is there a symbol for the "opposite" of the principal square root ...
Apr 22, 2025 · The short answer is: the function $-\sqrt {x}$. For longer answers, there are zillions of posts on this site about square root functions; try searching. Start with this one which I found in the …
Isn't square root a bit like Log()? - Mathematics Stack Exchange
May 26, 2020 · I took a look at square root. Squaring the number means x^2. And if I understood the square root correctly it does a bit inverse of squaring a number and gets back the x. I had a friend tell …
exponentiation - What's the inverse operation of exponents ...
Oct 3, 2014 · You know, like addition is the inverse operation of subtraction, vice versa, multiplication is the inverse of division, vice versa , square is the inverse of square root, vice versa. What's the in...
What is the opposite of root? - Answers
Apr 28, 2022 · The opposite of a square root is the square of a number. In mathematical terms, if the square root of a number x is denoted as √x, then the opposite of the square root (√x) is x itself.
Why roots aren't the inverse of exponentiation but logarithms?
May 27, 2024 · The root function is the left inverse - it undoes the action of the operation on its left argument, returning the original base. The logarithm is the right inverse - it undoes the action of the …
What does the small number on top of the square root symbol mean?
I just came across this annotation in my school's maths compendium: The compendium is very brief and doesn't explain what this means.
What exactly IS a square root? - Mathematics Stack Exchange
May 12, 2015 · The square of the square root of a number is that same number, or $$\left (\sqrt x\right)^2=x.$$ It turns out that this definition is consistent with a fractional exponent.
Is $\sqrt {n}$ polynomially larger than $\log {n}$?
Sep 22, 2016 · Intuitively, you can think of those functions in terms of their opposites: the opposite of square root is squaring and the opposite of logarithm is exponentiation.
Whats the rule for putting up a plus-minus sign when taking under root?
Using the x^2=49 example, there is no logical need for the symbol on the right when we take the square root, because the square root of 49 is 7, by definition. But when we take the square root of the left …
algebra precalculus - If squaring a number means multiplying that ...
Jan 9, 2016 · If squaring a number means multiplying that number with itself then shouldn't taking square root of a number mean to divide a number by itself? For example the square of $2$ is $2^2=2 …