# Math Help - Help!!! What is logarithm lnx???

1. ## Help!!! What is logarithm lnx???

Wat's log lnx?
x^lnx =x
lnx = lnx
need definition of it

Wat's log lnx?
x^lnx =x
lnx = lnx
need definition of it
It is the same is,
log x
But the base is not 10 but "e" which is approximately:
e=2.71828...

Alternatively,
Consider a curve y=1/x
The area from the number 1 to the number x below the curve is some number definied to be ln x.

3. thanks