SOLUTION: Z= (3+i) W=(-4+i) Find ZW and conj(ZW). I think I found ZW that is equal to -13+7i I'm not so sure.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Z= (3+i) W=(-4+i) Find ZW and conj(ZW). I think I found ZW that is equal to -13+7i I'm not so sure.      Log On


   

Question 765930: Z= (3+i)
W=(-4+i)
Find ZW and conj(ZW).
I think I found ZW that is equal to -13+7i I'm not so sure.
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
zw=
(3+i)(-4+i)=
-12+3i-4i-1=
-13-i
conj(zw) = -13+i