You can put this solution on YOUR website! ln(x+1)-ln(x) = ln(4)
Add ln(x) to both sides
ln(x+1)= ln(4) + ln(x)
Which is
ln(x+1)= ln(4x)
find the e^x of both sides
x + 1 = 4x
1 = 4x - x
1 = 3x
x =
:
:
you can confirm this with you calc, replace x with .3333 in the original problem
find ln of each