9th Class Mathematics Related to Competitive Exam Question Bank Logarithms

  • question_answer
    Expansion of \[\mathbf{log}{{\mathbf{~}}_{\mathbf{3}}}\left( \frac{\mathbf{27}{{\mathbf{x}}^{\mathbf{3}}}}{\mathbf{5}} \right)\] equals to E, then \[\frac{\mathbf{E}}{\mathbf{3}}\] is ________ 

    A) \[1+{{\log }_{3}}x-\frac{1}{3}{{\log }_{3}}5\]

    B)      \[3+3\text{ }{{\log }_{3}}x+{{\log }_{3}}5\]

    C) \[1+\text{lo}{{\text{g}}_{3}}x+\text{lo}{{\text{g}}_{3}}5\]     

    D)      \[{{\log }_{3}}x+\frac{1}{3}\text{lo}{{\text{g}}_{3}}5\]

    E) None of these

    Correct Answer: A


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