- #1
Mandynash
- 3
- 0
Homework Statement
The question is located here http://i51.tinypic.com/2cge9mt.jpg
Homework Equations
My a value is -3
my b value is -3sqrt(2)
my c value is -2.4
The Attempt at a Solution
1) ln(-3 - 3 sqrt(2) i)
= Ln |-3 - 3 sqrt(2) i| + i arg(-3 - 3 sqrt(2) i)
= ln sqrt(27) + i (-3π/4 + 2πk), for any integer k
2) ln(-c) = Ln |-c| + arg(-c) = ln c + i(π + 2πk) for any integer k.
(Principal value occurs for k = 0.)
Managed to get this far but I have no idea what I need to do next! Thanks in advance for the help.