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10th Class Mathematics Quadratic Equations Question Bank Quadratic Equations

  • question_answer
    The roots of \[a{{x}^{2}}+bx+c=0,\] \[a\ne 0\] are real and unequal, if \[{{b}^{2}}-4ac\]is _______.

    A)  =0                             

    B)  > 0                

    C)         <0                 

    D)         \[\ge 0\]                      

    Correct Answer: B

    Solution :

    Given equation is \[a{{x}^{2}}+bx+c=0\] Roots are real and unequal, if \[{{b}^{2}}-4ac>0\]


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