Question
Mon January 28, 2013 By:

Dear Sir, What are surds? How are they used in mathematical operations and what purpose they serve as numbers?

Expert Reply
Wed January 30, 2013
If you can't simplify a number to remove a square root (or cube root etc) then it is a surd. For example, ?5, 3?21 is a surd but 3?8 is not a surd as 3?8 = 2.
 
Surds are actually irrational numbers and there are many uses of them in real life too.
 
The chapter related to surds is included in almost all the competitive exams to test how well one is with solving problems etc.
Wed September 06, 2017

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