Odpowiedzi

2010-03-03T00:41:29+01:00
Zad.1
a) logx1/9 = -2

x^-2 = 1/9
x^-2 = 3^-2
x = -3

b) logx64 = -3

x^-3 = 64
x^-3 = (1/4)^-3
x = 1/4

c) logx36 = -2

x^-2 = 36
x^-2 = (1/6)^-2
x = 1/6