What is the quadratic polynomial whose sum and the product of zeroes is √2, ⅓ respectively? 

What is the quadratic polynomial whose sum and the product of zeroes is √2, ⅓ respectively? 

  1. A

    3x2-32x+1

  2. B

    3x2+32x+1 

  3. C

    3x2+32x-1 

  4. D

    None of the above

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    Solution:

    Sum of zeroes = α + β =√2 

    Product of zeroes = α β = 1/3 

    ∴ If α and β are zeroes of any quadratic polynomial, then the polynomial is; 

     x2(α+β)x +αβ 

     = x2 (2)x + (1/3) 

     ​= 3x2-3√2x+1

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