Nth root
The Nth root of a particular number is basically a smaller
number that was multiplied by itself several times (defined by the variable n) to get
the original particular number. When n is equal to two, the nth root is called the
square root
of the number. When it is three,
it is called the cube root. The variable n in an nth root can be defined and can be a number
or even an expression.
Illustrated mathematically, the "4th root" of the number 16 is two, since 2^4 = 16. An Nth root is designated by the radical symbol (√) with a small number or variable above it indicating the "power" of the root. Using the example above, we can display it as ^4√16 = 2.
You can insert or write the "nth roots" of expressions using OpenOffice.org Math.
Writing expressions with Nth roots
The following screencasts demonstrate how to write expressions with nth roots:
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This text is based on the definition of Limits from Wikipedia.org
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