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Determine the nature of the roots …

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Determine the nature of the roots of the equation 2x^2+x-1

    • Posted by Msv Msv 4 years, 5 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Poonam Mittewad 4 years, 5 months ago

    D=b^2-4ac =(1)^2-4 (2)(-1) =1+8 =9 D <9 .: there exist real and distinct roots...

    2Thank You

    Adithya Dev A 4 years, 5 months ago

    Discriminant = b^2 - 4ac = (1) ^2 - 4 * -1 * 2 = 1 + 8 = 9. Therefore, the roots are REAL and DISTINCT in nature.

    0Thank You

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