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msingh

  • 3 years ago

Find the ratio of the sum & product of the roots 7x^2 - 12x + 18 = 0.

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  1. ParthKohli
    • 3 years ago
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    Use Vieta's Formula

  2. msingh
    • 3 years ago
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    sum of roots = -b/a

  3. ParthKohli
    • 3 years ago
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    Yea

  4. ParthKohli
    • 3 years ago
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    Product is \(\dfrac{c}{a}\)

  5. msingh
    • 3 years ago
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    vat's ur answer cmg is it 2/3

  6. ParthKohli
    • 3 years ago
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    You could just solve the equation then.

  7. Yahoo!
    • 3 years ago
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    Yup..u r correct

  8. Yahoo!
    • 3 years ago
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    @msingh

  9. ParthKohli
    • 3 years ago
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    Yes.

  10. msingh
    • 3 years ago
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    thanks @Yahoo!

  11. Yahoo!
    • 3 years ago
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    Welcome..;)

  12. ParthKohli
    • 3 years ago
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    \[\dfrac{\dfrac{-b}{a}}{\dfrac{c}{a}} = \dfrac{-b}{c}\]So that's why.

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