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ksaimouli

  • 3 years ago

solve

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  1. ksaimouli
    • 3 years ago
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    5-x^4-4x^2=0

  2. ksaimouli
    • 3 years ago
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    @hartnn can u help me with this well when i graphed it i got -1 and 1

  3. ksaimouli
    • 3 years ago
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    is their any other teq

  4. ksaimouli
    • 3 years ago
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    \[5-x^4-4x^2\]

  5. hartnn
    • 3 years ago
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    put x^2=y 5-y^2-4y=0 solve this quadratic.

  6. hartnn
    • 3 years ago
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    and yes, only 2 real roots, -1 and 1 other 2 are imaginary roots.

  7. ksaimouli
    • 3 years ago
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    i am getting 1 and -5

  8. ksaimouli
    • 3 years ago
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    when i solved in ur method

  9. hartnn
    • 3 years ago
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    yup, so x^2=1 ---->x= +1 or -1 x^2 = -5 ---->x=+i sqrt 5, -i sqrt 5 got it ?

  10. ksaimouli
    • 3 years ago
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    yup thx

  11. hartnn
    • 3 years ago
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    welcome ^_^

  12. ksaimouli
    • 3 years ago
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    whish ur family happy new year

  13. ksaimouli
    • 3 years ago
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    behalf of me

  14. hartnn
    • 3 years ago
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    happy new year to you and your family also :)

  15. ksaimouli
    • 3 years ago
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    :-)

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