SOLUTION: Write each expression as a single natural logarithm. 30. 2 ln 10 - ln 5 31. 5 ln a + 3 ln b 32. 2 ln z - 1/2 (ln x 1 +3 ln y)

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Write each expression as a single natural logarithm. 30. 2 ln 10 - ln 5 31. 5 ln a + 3 ln b 32. 2 ln z - 1/2 (ln x 1 +3 ln y)      Log On


   

Question 195449: Write each expression as a single natural logarithm.
30. 2 ln 10 - ln 5
31. 5 ln a + 3 ln b
32. 2 ln z - 1/2
(ln x 1 +3 ln y)
Answer by windsolace(8) About Me  (Show Source):
You can put this solution on YOUR website!
30) 2 ln 10 - ln 5
:
= ln[(10^2)/5]
:
= ln (20)
:
:
:
31) 5 ln a + 3 ln nb
= ln [(a^5)(b^3)]
:
:
:
32) There's an error in your question which i can't make out. But you get the idea from question 31. And don't post your maths homework online for people to solve for you.