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SSC Sample Paper SSC CGL - Sample Paper-9

  • question_answer
    \[(\sqrt{8}-\sqrt{4}-\sqrt{2})\] equals

    A)  \[2-\sqrt{2}\]                

    B)  \[\sqrt{2}-2\]

    C)  2                                

    D)  \[-\,2\]

    Correct Answer: B

    Solution :

    \[?=(\sqrt{8}-\sqrt{4}-\sqrt{2})\] \[=(2\sqrt{2}-2-\sqrt{2})\] \[=\sqrt{2}(2-1)-2=\sqrt{2}-2\]


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