briannaaxx briannaaxx
  • 02-07-2017
  • Mathematics
contestada

write this product in standard form ( 7 + 7i)( 6 + 7i)

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IneedHelp00 IneedHelp00
  • 02-07-2017
Distribute it 


42+49i+42i+49^2    (i^2=-1)

49i^2+91i+42

-49+91i+42 

It equal to -7+91i
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catzrcool catzrcool
  • 02-07-2017
the correct answer is -7 + 91i
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