(Q27).Prove log
b
b
x
= x.
What is logarithmic form?
The logarithmic form is written as log
c
a
= b. It is a rearrangement of the exponential form, a
b
= c. Any exponential equation can be written as a logarithm.
log
b
b
x
= X log
b
b
log
b
b
x
= X(1)
So, log
b
b
x
=
Clear