Question 195449
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.