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Mathematics / Exponents and Surds

Mathematics / Exponents and Surds

Exponent is the number of times a number is multiplied by itself. Exponents are written as xy; where x is the number and y is the exponent or power.
Example: 2 * 2 * 2 * 2 * 2 = 25
Learn more about exponents.


Radical or root is the inverse of exponent represented by the root sign \sqrt{}
if b = an then \sqrt[n]{b} = a
Surd is the nth root of a number which is irrational. Example: \sqrt{2} = 1.4142135...., \sqrt[3]{3} = 1.442249.....

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