Автор - ansheles26

log 12 4,25= log 12 x− log 12 18

Ответ

Автор - nubpolymaster

log_{12}4,25=log_{12}x-log_{12}18\log_{12}4,25-log_{12}x+log_{12}18=0\log_{12}4,25/x*18=0\log_{12}76,5/x=0\12^0=76,5/x\x=76,5

Ответ

Автор - wieslawlozickip5w1nd

Log_(12) 4,25=log_(12)x-log_(12)18   ODZ: x> 0

Log_(12)x=log_(12)4,25+log_(12)18

Log_(12) x=log_(12)  (4,25*18)

  X=4,25*18

X=76,5


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