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Niste ajutor va rog frumoos, dau coronitaaa!!!

Niste Ajutor Va Rog Frumoos Dau Coronitaaa class=

Răspuns :

1)

[tex]\it lg100=lg10^2=2lg10=2\cdot1=2[/tex]


[tex]\it log_{12} 288 - log_{12} 2 +log_2(lg100) = log_{12} 144\cdot2-log_{12} 2+log_2 2 =[/tex]

[tex]\it = log_{12} 144+log_{12}2-log_{12}2+1 = log_{12}12^2 +1 = 2log_{12}12+1=[/tex]

[tex]\it = 2+1=3[/tex]