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Show how $ \sqrt{5} $ can be represented on the number line.
For representing any irrational number on the number line , the representation of can be used.
To represent , use the representation of .
Draw a perpendicular AB of length 1 unit at A=2 and join OB.
OB
Using compass and radius as length of OB, plot point C on the number line such that OC=OB=
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