Surds

What is a surd.

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  • Created by: sophie
  • Created on: 06-04-11 17:08

Surds.

Roots of rational numbers which cannot be expressed as rational numbers are called surds. A surd is an irrational number. EXAMPLES -
√2, √0.37, 3√10, 3+√2 , √7

 Numbers like √64, √0.25, 3√27 are not surds because the roots of each number is rational.

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