Railways R.R.C. (Patna) Solved Paper Held on 1st_Shift 23-11-2014

  • question_answer
    If the equation\[2{{x}^{2}}+3x+p=0\] has equal roots, then the value of P is ?

    A) \[\frac{9}{8}\]                          

    B) \[\frac{6}{5}\]

    C) \[\frac{4}{3}\]                          

    D) \[\frac{5}{4}\]

    Correct Answer: A

    Solution :

    If roots are equal. Then, \[{{(3)}^{2}}=4\times 2\times p\] \[9=8p\] \[p=\frac{9}{8}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner