8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-7

  • question_answer
    If \[2x+\frac{2}{x}=3\], then find the value of\[{{x}^{3}}+\frac{1}{{{x}^{3}}}+3\].

    A)  \[\frac{13}{4}\]                        

    B)  \[\frac{14}{5}\]

    C)  \[\frac{15}{4}\]                        

    D)  \[\frac{19}{8}\]

    E)  None of these

    Correct Answer: E


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