OblicZ
OLA: log81x2=12
log6 x=log64+log69
13 lis 22:40
aniabb: x2=9 x=3 lub x=−3
x=36
13 lis 22:47
Eta:
1/
x2=811/2= 9
x=3 v x= −3
2/ log6x= log6(4*9)
x= 36
13 lis 22:47
Beti:
1) D: x2>0 −−> x ≠ 0
x2 = √81
x2 = 9
x = 3 lub x = −3
2) D: x > 0
log6x = log64*9
log6x = log636
x = 36
13 lis 22:49