difference between ln and log?
What is the difference between ln and log? Specifically, what does ln represent? Additionally, how can I solve the equation ln(7x - 1) = 2?
6 Answers
Jan 27, 2025
ln is to log to base e (e is a special number) approximate value of e = 2.718
log 10 is log to base ten
log 2 is log to base two
etc
ln (7x – 1) = 2
7x – 1 = e²
7x = e² + 1
x = (e² + 1) / 7
x = 1.199
ln = natural log which is a base e so in your case:
7x-1 = e^2
7x = e^2 + 1
x= (e^2 + 1)/7
e = 2.71828 and a lot more (it’s like pi in no one has found a repeating pattern)
Feb 15, 2025
unless otherwise indicated log is base 10 and natural log (ln) is base e.
e² = 7x – 1
7.3891 = 7x – 1
8.3891 = 7x
1.1984 = x
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