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→Concept 1: Definition of surds
==Concept 1: '''Definition of surds'''==
==Concept 1: '''Definition of surds'''==
Irrational root of rational number. Example:<math>\sqrt{2},_ 7\sqrt{5},_ \sqrt{x}</math>
===Learning objectives===
===Learning objectives===
#know the meaning of surds
#know the meaning of surds