Wednesday, May 15, 2013

Solve and check 4n^2-1=0

4n%5E2-1=0%0D%0A 


%0D%0A4n%5E2=1%0D%0A 


%0D%0An%5E2=1%2F4%0D%0A 



sqrt%28n%5E2%29=sqrt%281%2F4%29%0D%0A 


%0D%0Aabs%28n%29=1%2F2%0D%0A 

so n=1/2 or n=-1/2 


u check, ok? 
:)
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