anonymous
  • anonymous
write the sum or difference in the standard form a +bi (squareroot sign 5 -3i) + (-2+ squareroot sign-9)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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shivaniits
  • shivaniits
what's ur equation..?? is it\[(\sqrt{5}-3i)+(-2+\sqrt{-9})..??\]
anonymous
  • anonymous
\[(\sqrt{5} - 3i) + (-2 + \sqrt{-9}) \implies (\sqrt{5} -2) + (-3i + \sqrt{-9})\]
anonymous
  • anonymous
Remember : \[\sqrt{-9} = i \sqrt{9} = 3i\]

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anonymous
  • anonymous
So: \[(\sqrt{5} -2) + (-3i + 3i) = ??\]
shivaniits
  • shivaniits
i think then \[\sqrt{-9}\]-3i could be written as 0i as \[\sqrt{-9}\]=3i and answer would be only real no \[\sqrt{5}-2\]
anonymous
  • anonymous
@uri, your girl child is looking very cute in the pic.. ha ha ha..
uri
  • uri
thats a baby boy.
anonymous
  • anonymous
thanks guys! that helped a lot!
anonymous
  • anonymous
Oh you have two kids ?? Ha ha ha..
anonymous
  • anonymous
@sparki1 you are welcome..

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