Q: What sign is used to represent a square root?

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Negative square root is -√Square root of negative one is i.

The answer is 2i. When dealing with negative square roots, the expression i is used to represent the square root of -1.

The answer is 2i. When dealing with negative square roots, the expression i is used to represent the square root of -1.

The sign that is used for the square root is actually a root sign: the little 2 before it denotes that it is the square root. A little 3 would indicate it is a cube root, a little 4 that it is a fourth root and so on. However, conventionally, if no number is shown, it may be assumed that it is the square root.

No negative number can have a real square root.In math and engineering, the symbol ' i ' is used to representthe square root of -1 .Then the square root of -19 can be written as 4.3589 i (rounded).

It is the RADICAL SIGN , its definition is - the symbol used to indicate a nonnegitive square root.

The symbol used to indicate a nonnegative square root.

Square rootsTo find the square root of a number, you want to find some number that when multiplied by itself gives you the original number. In other words, to find the square root of 25, you want to find the number that when multiplied by itself gives you 25. The square root of 25, then, is 5. The symbol for the square root is . Following is a partial list of perfect (whole number) square roots.Note: If no sign (or a positive sign) is placed in front of the square root, the positive answer is required. No sign means that a positive is understood. Only if a negative sign is in front of the square root is the negative answer required.A fraction, or fractional number, is used to represent a part of a whole. Fractions consist of two numbers: a numerator (which is above the line) and a denominator(which is below the line).So to work out the square root of a fraction you find the square root of the numerator and put it above the square root of the denominator.

Radical Sign

Usually, in code, the square root symbol is denoted as: sqrt() where the number inside the square root is written inside the brackets. For example, if you wanted the square root of 64, write: sqrt(64)

The radical symbol ( âˆš ) followed by a line above what's in the radical, designates positive square root.

The 'radical': √

There are no explicit symbols. The non-negative square toot is called the principal square root.

AryabhataThe symbol √ for the square root was first used in print in 1525 in Christoph Rudolff's Coss, which was also the first to use the "new" signs '+' and '-'.

'i' is often used to represent the imaginary part of a complex number, and is equal to the square root of -1.

It is used to find the square root of 2. If you noticed the number on the tablet 141421 = 2

The square root of 36 and the square root of 49.

Square root 64 and square root 81

The square root of -8 is sqrt(8)*i where i is the imaginary square root of -1. It can also be written as 2*sqrt(2)*i - which looks a bit neater when the radical sign is used. That is, unfortunately, not possible with this browser.

Square root of 64 and square root of 81, perhaps.

There is no difference between the values of them. However radicals are the notation used because they allow for higher roots. The square root of 4 is 2 The cube root of 81 is 3 But there is no 'nice' name for say, the 34th root, or the .7th root. This is where the radical sign comes in. You can place whatever root you are taking above the 'V' part of the radical sign, and that makes equations easier to look at and work with.

No, pi is not used to solve a square root problem.

Because there is no "real" sqrt of a negative number, i is used as a symbol, eg sqrt -4 = 2i

The square root of eight is in between the square root of 7 and the square root of 9, which equals 3.

The square root of 36 is 6 and the square root of 49 is 7 These are used as 42 is between 36 and 49.