• 2021 December(E23) Math Question 54

    Logarithms

    - Logarithm Expressions

    Laws of exponents, Laws of Logarithms
    Choice H

    Given that

    x<8  and  logx8=yx<8\; and \; log_x8=y

    We get

    xy=8x^y=8
    =>xy=(2)3=>x^y=(2)^3
    ∴y=3\therefore y=3

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