8th Class Mathematics Rational Numbers Question Bank Numbers

  • question_answer
    The value of \[{{3}^{3x-5}}=\frac{1}{{{9}^{x}}}\]is:

    A)  \[{{(64)}^{\frac{-2}{3}}}\times {{\left( \frac{1}{4} \right)}^{-3}}\]                 

    B)  \[x=7+4\sqrt{3},\]

    C)  \[\sqrt{x}+\frac{1}{\sqrt{x}}\]                                

    D) None of these

    Correct Answer: C

    Solution :

     \[\frac{p}{q}\]


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