Question

Resolva s equações;
a) logx - 14 = 2
b) logx - 13 = 1
c) logx (2x2 - 3x + 2) = 0
d) logx 25 = 2/3

Answer 1

a) x - 14 > 0
x > 0

x -14 = 10^2
x - 14 = 100
x = 100 + 14
x = 114
S = {114}