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sparki1

write the sum or difference in the standard form a +bi (squareroot sign 5 -3i) + (-2+ squareroot sign-9)

  • one year ago
  • one year ago

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  1. shivaniits
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    what's ur equation..?? is it\[(\sqrt{5}-3i)+(-2+\sqrt{-9})..??\]

    • one year ago
  2. waterineyes
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    \[(\sqrt{5} - 3i) + (-2 + \sqrt{-9}) \implies (\sqrt{5} -2) + (-3i + \sqrt{-9})\]

    • one year ago
  3. waterineyes
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    Remember : \[\sqrt{-9} = i \sqrt{9} = 3i\]

    • one year ago
  4. waterineyes
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    So: \[(\sqrt{5} -2) + (-3i + 3i) = ??\]

    • one year ago
  5. shivaniits
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    i think then \[\sqrt{-9}\]-3i could be written as 0i as \[\sqrt{-9}\]=3i and answer would be only real no \[\sqrt{5}-2\]

    • one year ago
  6. waterineyes
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    @uri, your girl child is looking very cute in the pic.. ha ha ha..

    • one year ago
  7. uri
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    thats a baby boy.

    • one year ago
  8. sparki1
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    thanks guys! that helped a lot!

    • one year ago
  9. waterineyes
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    Oh you have two kids ?? Ha ha ha..

    • one year ago
  10. waterineyes
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    @sparki1 you are welcome..

    • one year ago
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