Surd
Surd
Surds:
√2, √3, √5, √21, ................ are irrational numbers, These are square roots (second roots), of some rational numbers, which can not be written as squares of any rational number.
Laws of Radicals:
√2, √3, √5, √21, ................ are irrational numbers, These are square roots (second roots), of some rational numbers, which can not be written as squares of any rational number.
- If a is rational number and n is a positive integer such that the nth root of a is an irrational number, then a1/n is called a surd or radical.
Example: √2, √3, √5 etc.
Laws of Radicals:
- For any positive integer ‘n’ and a positive rational number ‘a’.
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