Koljeg Koljeg
  • 16-07-2014
  • Mathematics
Answered

Perform the indicated operation and write in standard form 5i+(-9-i)



Answer :

konrad509
konrad509 konrad509
  • 16-07-2014
[tex]5i+(-9-i)=\\ 5i-9-i=\\ -9+4i[/tex]
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AL2006
AL2006 AL2006
  • 16-07-2014
Since the sign before the parentheses is a + , we can just remove the parentheses.

5i + (-9 - i) = 5i - 9 - i = -9 + 4i


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