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  1. Square root inside a square root - Mathematics Stack Exchange

    Jun 24, 2014 · Square root inside a square root Ask Question Asked 11 years, 6 months ago Modified 4 years, 11 months ago

  2. 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 …

  3. Whats the rule for putting up a plus-minus sign when taking …

    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 …

  4. 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 …

  5. 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.

  6. 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 …

  7. 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 …

  8. What does the small number on top of the square root symbol …

    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

  9. Why is the square root of a number not plus or minus?

    For example, $\\sqrt{4}$. I've asked a bunch of people and I get mixed answers all the time, as to whether it is $-2$ and $+2$ or just $+2$. How about if there's a negative in front of the square r...

  10. What exactly IS a square root? - Mathematics Stack Exchange

    May 12, 2015 · It's come to my attention that I don't actually understand what a square root really is (the operation). The only way I know of to take square roots (or nth root, for that matter) it to …