Quotient rule of logarithms

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Now Playing:Quotient rule of logarithms– Example 1
Examples
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  1. Without using a calculator, evaluate: log5(25÷35) {\log_5(25 \div {^3}\sqrt{5})}
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    Quotient Rule Of Logarithms 1
    What is a logarithm?
    Notes
    logb(X÷Y)=logbXlogbY \log_b(X \div Y) = \log_b X - \log_b Y