ethanv123 ethanv123
  • 12-02-2017
  • Mathematics
contestada

I'm not sure how to start please help

Im not sure how to start please help class=

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catrionac
catrionac catrionac
  • 12-02-2017
you expand all the summations the add all the values to get 32-24i
and for the second one you get 16 
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