Logarytmy idziewiosna: Oblicz x: a) log₂x= −1 b) log₃x=¹₂ c) logx=6 d) 2(x−log₂9)=x(3−log₂6) e) logx−¹₂log2²₃ − log1¹₂ f) logx=¹₃log5,4 − ¹₃log1³₅

zosia: a] 2⁻¹=1/2 b] 3^1/2 =√3

Aga1: c) logx=6⇔x=10⁶ d)2x−2log₂9=x(3−log₂6) 2x−(3−log₂6)x=2log₂9 x(2−3+log₂6)=2log₂3² //: (log₂6−1)

	4log23		4log23
x=		=
	log26−log2		6   log2   2

x=4