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anonymous
 5 years ago
how do I simplify (3+5i)^4?
anonymous
 5 years ago
how do I simplify (3+5i)^4?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0just expand , you could get it into mod arg form and use demoivres theorm but that wont give exact answer

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ie do (3+5i)^2 (3+5i)^2 and expand, or use binomial theorm/pascals triangle expansion coeffiecents

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(3+5i)^2 (3+5i)^2 = 16+30i

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I got that answer...does that mean I do it twice?

radar
 5 years ago
Best ResponseYou've already chosen the best response.0My guess is to expand taking (3+5i)(3+5i)=16+30i then take (16+30i)(16+30) = 644960i

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0okay...that is what I was starting to do.

radar
 5 years ago
Best ResponseYou've already chosen the best response.0Did you come up with the same results? I must admit the outcome does not look any simpler!!
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