Mattybailey2000
Mattybailey2000
23-03-2015
Mathematics
contestada
B squared minus 4b plus 4 equals 0
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Since3122015
Since3122015
23-03-2015
[tex]b^2-4b+4=0\\(b-2)(b-2)=0\\(b-2)^2=0[/tex]
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