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10th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-3

  • question_answer
    If \[x=\frac{2}{3}\] and \[x=-\,3\] are the roots of the equation\[a{{x}^{2}}+7x+b=0,\] find the value of a and b.

    A)  \[a=3,\,\,b=-\,6\]          

    B)  \[a=3,\,\,b=+\,6\]

    C)  \[a=2,\,\,b=-\,5\]          

    D)  \[a=3,\,\,b=-\,2\]

    E)  None of these

    Correct Answer: D

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