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10th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-8

  • question_answer
    If \[A=5+\frac{5}{B}+\frac{5}{{{B}^{2}}}+\frac{5}{{{B}^{3}}}+.....\infty ,\] then the value of B is _______

    A)  \[-\frac{A}{A-5}\]                     

    B)  \[\frac{A}{A-5}\]

    C)  \[\frac{A}{A+5}\]                    

    D)  \[-\frac{A}{A+5}\]

    E)  None of these

    Correct Answer: B

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