Question

Determine o valor de:

A- Log 2 na base 2
B- Log 17 na base 1
C- Log 5/3 na base 3/5

Answer 1

a)
log2 2
2^x = 2¹
x = 1

b)
log1 17
1^x = 17
Impossível

se for:

log17 1
17^x = 1
17^x = 17^0
x = 0

c)
log(3/5) 5/3
3/5^x = 5/3
3/5^x = 3/5^(-1)
x = -1

=)