9th Class Mathematics Related to Competitive Exam Question Bank Logarithms

  • question_answer
    If \[\mathbf{x=}\frac{\sqrt{\mathbf{8}}\mathbf{+}\sqrt{\mathbf{2}}}{\mathbf{2}}\] and \[\mathbf{y=}\frac{\sqrt{\mathbf{8}}-\sqrt{\mathbf{2}}}{\mathbf{2}}\] then the value of \[\mathbf{lo}{{\mathbf{g}}_{\mathbf{121}}}\], \[\mathbf{(}{{\mathbf{x}}_{\mathbf{2}}}\mathbf{+4xy+}{{\mathbf{y}}_{\mathbf{2}}}\mathbf{)}\], equal to __________

    A) 1                                                         

    B) \[\frac{1}{2}\]    

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

    D) 2

    E) None of these

    Correct Answer: B

    Solution :

    Not Available    


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