anonymous
  • anonymous
why is the square root of -1 equal to i
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Nnesha
  • Nnesha
good question.
anonymous
  • anonymous
http://www.algebra.com/algebra/homework/Square-cubic-other-roots/Square-cubic-other-roots.faq.question.506680.html
Vocaloid
  • Vocaloid
I believe that's just how it's defined, isn't it?

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More answers

anonymous
  • anonymous
this should help
mathstudent55
  • mathstudent55
It's because mathematicians decided to define it that way.
Nnesha
  • Nnesha
bec my teachers said so
Vocaloid
  • Vocaloid
what I meant to say was, mathematicians just decided to take the quantity sqrt(-1) and assign it the symbol i
anonymous
  • anonymous
ok
anonymous
  • anonymous
does this help @pocketpenguin1 ?
anonymous
  • anonymous
i understand that it is because the square root of -1 is not defined under real space due to the rules of square roots but i don't know how to write it in an algebraic form
anonymous
  • anonymous
not really @Houdini_Dragon
anonymous
  • anonymous
hmm ok one sec
Vocaloid
  • Vocaloid
can you give an example?
anonymous
  • anonymous
https://simple.wiktionary.org/wiki/square_root
anonymous
  • anonymous
how about now?
Nnesha
  • Nnesha
it's cycle |dw:1444608366475:dw|
anonymous
  • anonymous
ooohhh i like it @Nnesha
Nnesha
  • Nnesha
thanks.-,-
anonymous
  • anonymous
i understand more clearly now, you use a square root to find which number is being multiplied by itself in order to get the number under the square root symbol, but you can not multiply any number by itself to get -1, so \[\sqrt{-1}\] is in imaginary space
anonymous
  • anonymous
thank you
anonymous
  • anonymous
np medal?
anonymous
  • anonymous
nvm i am glad u got it and that is what matters
Nnesha
  • Nnesha
for algebraic expression i guess i represent a variable let's say we have 3i +4i = 7i it also depends on the statement hm
anonymous
  • anonymous
u can close this question now sense u understand........
anonymous
  • anonymous
how

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