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Cube root - Wikipedia


In mathematics, a cube root of a number x is a number such that a<sup>3</sup> = x. All real numbers .... or, equivalently, the cube root whose argument has the least absolute value. It i...

The Cubic Formula


Now, Cardan's formula has the drawback that it may bring such square roots into play in intermediate ... For instance, consider the cubic equation x<sup>3</sup>-15x-4=0.

The "Cubic Formula" - SOS Math


The other two roots (real or complex) can then be found by polynomial division and the quadratic formula. The solution proceeds in two steps. First, the cubic ...

Cube Root: Definition, Formula & Examples - Video & Lesson ...


In this lesson, we're going to discover the world of cube roots! By the time we're done, you'll be able to define what a cube root is, explain how...

Cube Root Formula - Formulas - Tutorvista.com


To calculate a cube root, we need to find the factors of the number. Now group the common factors together. If the factors have any perfect cube then group them  ...

Cubes and Cube Roots - Math is Fun


The cube root of a number is ... ... a special value that when cubed gives the original number. The cube root of 27 is ... ... 3, because when 3 is cubed you get 27.

Cube Root -- from Wolfram MathWorld


However, extension of the cube root into the complex plane gives a branch cut along the negative real axis for the principal value of the cube root as illustrated ...

Math Forum: Ask Dr. Math FAQ: Square and Cube Roots


How do you find the square root of a number without a calculator? What about cube roots? ... Finding Square Roots · Formula for Mth Root · Heron's Method for Finding Square Roots by Hand ... How can I figure out the cube root of a number?

Math Forum - Ask Dr. Math Archives: High School Square/Cube Roots


Bakhshali Formula [12/15/2002]: I came across this formula for calculating square ... Cube Root by Hand [01/23/1998]: How do you calculate the cube root of a ...

How to Calculate Cube Root by Hand (with Calculator) - wikiHow


How to Calculate Cube Root by Hand. With the use of calculators, finding the cube root of any number may be just buttons away. But perhaps you don't have a  ...