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Susansamir

  • 2 years ago

is (-4)1/2 a real function?

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  1. swissgirl
    • 2 years ago
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    hmmm this is isnt a function since you r missing the x and y's its just a plain value

  2. Outkast3r09
    • 2 years ago
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    and it's not a real value as it's complex

  3. Outkast3r09
    • 2 years ago
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    \[\sqrt{-4}\]

  4. swissgirl
    • 2 years ago
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    ohh i thought it was \( 4* {1 \over 2 } \)

  5. swissgirl
    • 2 years ago
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    whoops \( -4* \large {1 \over 2} \)

  6. swissgirl
    • 2 years ago
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    @Susansamir is this the exact question?

  7. swissgirl
    • 2 years ago
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    Wait how did my responses go out of order

  8. Susansamir
    • 2 years ago
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    thanks guys i got it

  9. swissgirl
    • 2 years ago
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    and now that i refreshed its back in order soo strange

  10. love_math
    • 2 years ago
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    yes, an exponential function, (-4)1/2=-2

  11. UnkleRhaukus
    • 2 years ago
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    \[f(z)=(-4)^{1/2}\]\[\qquad=\sqrt{-4}\]\[\qquad=2i\] the function \(f(z)\) has no real component

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