Friday, February 5, 2010

Simplify

Simplify:

(27+8i)/(3+2i^8)

5 Comments:

Anonymous Anonymous said...

43.2i
27*8i=216i
i^8=1
2*1=2
3+2=5
(216i)/5=43.2i

February 5, 2010 4:59 PM  
Blogger Chris said...

Assuming i is rt(-1),
(27 + 8i)/(3+2i^8) = (27 + 8i)/5 = 5.4 + 1.6i

February 5, 2010 5:04 PM  
Blogger Chris said...

Anonymous, you used * instead of +, i.e. you misread the question.

February 5, 2010 5:06 PM  
Anonymous Anonymous said...

Yeah I happen to do that a bit

February 5, 2010 5:08 PM  
Blogger Chris said...

I do too.

February 5, 2010 5:14 PM  

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