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23 November, 03:00

Given that 7^2=12^x, evaluate 12^2x

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  1. 23 November, 03:20
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    7^2=12^x

    this implies that:

    ln7^2=ln 12^x

    2ln 7=x ln 12

    x = (2 ln 7) / ln12

    thus

    12^2x=12^[2 ((2 ln 7) / ln12) ]

    =2401

    Answer: 2401
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