Oblicz: logx¼= -1
Oblicz: log2 x^2= 2
Oblicz: log2 x^2= -4
Oblicz: log125 1/5=
Oblicz: log½ √2=
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Korzystamy z definicji logarytmu:
a)
b)
c)
d)
logx1/4 = -1
x= 4
log2x^2= 2
x=2
log2x^2=-4
x= 1/4
log125 1/5=x
x= -1/3
log1/2 √2=x
x= -1/2