ZADANIA Z TRESCI PYTANIA
a)
3 + log(1/3)x = 1
log(1/3)x = -2
(1/3)^-2 = x
x = 9
b)
1/2log(4)x - 5 = -4
1/2log(4)x = 1
log(4)x^1/2 = 1
4^1 = x^1/2
4 = x^1/2
x = 4^2
x = 16
ZADANIA ZE ZDEJCIA
a)
1 - 2/3log(1/5)x = 3
2/3log(1/5)x = -2
log(1/5)x^2/3 = -2
(1/5)^-2 = x^2/3
25 = x^2/3
25^3/2 = x
x = 125
b)
7 - 3/2log(8)x = -9
3/2log(8)x = 16
log(8)x^3/2 = 16
8^16 = x^3/2
x = 8^32/3