Feb 8, 2020 · Taking the square root of a negative number isn't impossible, it's just not in the set of numbers that you started with (the set of positive and negative numbers, along with $0$).

Apr 13, 2014 · In the setting of the complex numbers negative numbers do have a square root. However this is not only when you ask yourself about square roots of negative numbers.

May 27, 2014 · Closed 8 years ago. Can the square root of a real number be negative? Dealing with the questions of functions in eleventh class my maths teacher says that square root of a …

Svenkat's and Google answers: "one cannot take the square root of negative numbers" "Negative numbers don't have real square roots" "you can't take the square root of a negative number" It …

Aug 1, 2019 · Square roots of real numbers can be negative. -4 is a square root of 16. But remember: $\sqrt {x}$ means the $\mathit {principal}$ square root of x, not just the square root …

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 …

Nov 2, 2013 · I am currently trying to get the square root of -1, but in java, Math.sqrt() return NaN for any negative value. How do I get the square root of -1 in Java?

May 14, 2019 · One needs to be careful to know what is defined for the complex numbers. For example, $\sqrt {ab} = \sqrt a\sqrt b$ is not necessarily true for complex numbers.

Whereas complex numbers are typically introduced as solutions of quadratic equations, historically they were developed while studying solutions to the cubic. Cardano developed an …

Others have probably suggested more desirable methods, but just to add to the conversation, you could always multiply any number less than 0 (the value you want the sqrt of, -1 in this case) …