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Yahoo!

  • 3 years ago

The value of b for which the equation x^2+bx-1=0 and x^2 + x + b=0 have one common root?

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  1. Yahoo!
    • 3 years ago
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    @mahmit2012 @mahmit2012 @mahmit2012 @mahmit2012 @mahmit2012 @mahmit2012

  2. mahmit2012
    • 3 years ago
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    Ya Ali

  3. Yahoo!
    • 3 years ago
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    The options Are sqrt2 , sqrt5 , i sqrt3 , i sqrt 5

  4. mahmit2012
    • 3 years ago
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    all option isn't true.

  5. Yahoo!
    • 3 years ago
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    Lol....The answer shuld be i sqrt3

  6. mahmit2012
    • 3 years ago
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    no b=0 or b=-1/3

  7. mahmit2012
    • 3 years ago
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    |dw:1350390503898:dw|

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