anonymous
  • anonymous
Simplify the following complex expressions by adding, subtracting, or multiplying as indicated.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
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anonymous
  • anonymous
\[(4-i)(2+i)\]
anonymous
  • anonymous
\( 9+2i \)
anonymous
  • anonymous
ummm y wld u say that?

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More answers

anonymous
  • anonymous
i like multiplied the two expressions and got smth diif
anonymous
  • anonymous
-i^2+2i+8 I just foiled
anonymous
  • anonymous
I have assumed \( i =\sqrt{-1} \)
anonymous
  • anonymous
ohhhh r u suppossed to do that? I dont really know how to work with imaginary numbers :D
anonymous
  • anonymous
what kind of simplification??
anonymous
  • anonymous
well either you can multiply the two expressions
anonymous
  • anonymous
Pippa that is correct that i represents \[\sqrt{-1}\]
anonymous
  • anonymous
lol fool always wins :D
anonymous
  • anonymous
so the answer was the one you posted above?
anonymous
  • anonymous
but fool if you plugged in i=sqrt(-1) y do u still have an i in ur answer?
anonymous
  • anonymous
So wait is fool correct or are you correct pippa?
anonymous
  • anonymous
i think pippa is correct
anonymous
  • anonymous
\[(-5i)^3\]
anonymous
  • anonymous
umm u want to lsove this also?
anonymous
  • anonymous
Yes please?
anonymous
  • anonymous
is that power 2 or 3?
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=i+%3D+Sqrt%5B-1%5D%3B+Expand%5B%284+-+i%29+%282+%2B+i%29%5D Am I missing something?
anonymous
  • anonymous
125i
anonymous
  • anonymous
Even simply http://www.wolframalpha.com/input/?i=Expand%5B%284+-+i%29+%282+%2B+i%29%5D
anonymous
  • anonymous
It is to the power of 3.
anonymous
  • anonymous
then i think answer is : 125i
anonymous
  • anonymous
I have one more...
anonymous
  • anonymous
\[11i^{314}\]
anonymous
  • anonymous
-11
anonymous
  • anonymous
LOL I guess i dont know how to work wth imaginary numbers

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