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SSC Sample Paper Mock Test-11 SSC CGL Tear-II Paper-1

  • question_answer
    If \[{{a}^{2x+2}}=1,\] where a is a positive real number other than 1, then x is equal to

    A)  \[-\,\,2\]

    B)  \[-\,\,1\]

    C)  0

    D)  1

    Correct Answer: B

    Solution :

    We know that \[{{a}^{0}}=1\] \[\therefore \]\[{{a}^{2x+2}}=1\]\[\Rightarrow \]\[2x+2=0\]\[\Rightarrow \]\[x=\frac{-\,\,2}{2}=-1\]


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