what is meant by surds?
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Surds are numbers left in root form (√) to express its exact value. It has an infinite number of non-recurring decimals. Therefore, surds are irrational numbers.
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Hi,
Here is your answer,
If 'a' is a positive rational number which cannot be expressed as nth power of same rational number then the irrational number
or a¹/n ( the positive nth root of a ) is called a surd (or) radical. The symbol
is called radical sign, n is the called the order of the surd (or radical) and 'a' is called radicand.
∛2 , ∛3,......... are the surds of the third order called cubic surds.
are the sirds of 4th order or biquadratic surds.
Hope it helps you !

Here is your answer,
If 'a' is a positive rational number which cannot be expressed as nth power of same rational number then the irrational number
∛2 , ∛3,......... are the surds of the third order called cubic surds.
Hope it helps you !
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