
Square root inside a square root - Mathematics Stack Exchange
Jun 24, 2014 · Square root inside a square root Ask Question Asked 11 years, 5 months ago Modified 4 years, 11 months ago
Whats the rule for putting up a plus-minus sign when taking under root?
But when we take the square root of the left hand side, we must also arrive at a positive number (by definition). In this simple example, we can easily see that a -7 value for x would also satisfies the …
What does the small number on top of the square root symbol mean?
What does the small number on top of the square root symbol mean? Ask Question Asked 12 years, 4 months ago Modified 5 years, 3 months ago
Is the square root of a negative number defined?
Apr 13, 2014 · This approach is not without fault either, since you're now no longer talking strictly about the square root of a complex number. The points on the Riemann surface tell you which square root …
Why is the square root of a negative number impossible?
Feb 8, 2020 · It is impossible to find the square root of negative one, or the square root of any negative number, because no number times itself can equal a negative number.
radicals - How do I get the square root of a complex number ...
Jun 9, 2011 · The square root is not a well defined function on complex numbers. Because of the fundamental theorem of algebra, you will always have two different square roots for a given number.
What is $\sqrt {i}$? - Mathematics Stack Exchange
May 12, 2015 · The square root of i is (1 + i)/sqrt (2). [Try it out my multiplying it by itself.] It has no special notation beyond other complex numbers; in my discipline, at least, it comes up about half as …
Square roots -- positive and negative - Mathematics Stack Exchange
Oct 27, 2015 · For convenience, the square root of non-negative real numbers is usually taken to be the non-negative real value, but there is nothing other than practicality to stop you from taking some …
Why does a root only have a positive output? [duplicate]
Oct 14, 2015 · Also Why is the even root of a number always positive?, Can the square root of a real number be negative?, Square root confusion? We seem to have a lot of these.
When do we use the positive vs. negative square root of numbers ...
Sep 24, 2019 · Closed 6 years ago. When we take the square root of a number or in a equation, where do we get only the positive root, and where do we get both the positive and negative (both answers)? …