Properties of logarithms

There are 9 important properties of logarithms:

•  1.  log 1 = 0.
• 2. logₐ a = 1.
• 3. log ab = log a + log b.
• 4. log a/b = log a - log b.
• 5. log a^m = m log a.
• 6. log_ba = (log a)/(log b)
• 7 .a^logₐ x = x.
• 8 .log e = 1
• 9. e^log x = x