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anonymous

  • 5 years ago

Its not possible to find the square root of a negative number. a)True b)False

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  1. anonymous
    • 5 years ago
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    true

  2. anonymous
    • 5 years ago
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    thx!

  3. anonymous
    • 5 years ago
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    Depends on if you're talking about real or complex numbers.

  4. anonymous
    • 5 years ago
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    whats the answer for complex?

  5. anonymous
    • 5 years ago
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    It bothers me when people just post what the answer is and not explain it. Dawn, if you never learned of imaginary numbers, then the answer should be yes because think of it this way. Can you think of a number that you can square to get a negative number? However, if you have, remember that i = square root of -1 so the answer would be no.

  6. anonymous
    • 5 years ago
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    ok thx and i can tell it bothers u!!

  7. radar
    • 5 years ago
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    \[\sqrt{-4}=2i\] The imaginary operator which is the square root of -1 is used to deal with negative roots. In electronics it is referred to as the "j" operator and it plays an important part indealing with inductive or capacitance reactance.

  8. anonymous
    • 5 years ago
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    oh i see. mkay. (:

  9. anonymous
    • 5 years ago
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    Yeah isn't it awesome and bizarre that numbers that aren't even real (both technically - they are not "real" numbers, and figuratively - you can't "count" an imaginary number on your fingers) are used in actual science and engineering? It blows my mind.

  10. radar
    • 5 years ago
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    Yes it is awesome. Using the term "imaginary" could make you believe it ain't real! But when you deal with circuiits with resistors (real) and reactance the complex number with its real component and imaginary compent constitute impedance.

  11. anonymous
    • 5 years ago
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    I wish they told me that when I was learning them, because then I would care more. It seemed completely pointless when I was learning about them. And now I am majoring in electrical and computer engineering!

  12. radar
    • 5 years ago
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    Good luck with that, it is a good field.

  13. anonymous
    • 5 years ago
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    wow. no wonder ur so good at this!

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