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Example 10.35: Condensing a Logarithm with Multiple Terms

To condense a logarithmic expression containing multiple terms with the same base, such as log⁑43+log⁑4xβˆ’log⁑4y\log_4 3 + \log_4 x - \log_4 y, use the properties of logarithms sequentially. First, apply the Product Property, log⁑aM+log⁑aN=log⁑a(Mβ‹…N)\log_a M + \log_a N = \log_a(M \cdot N), to combine the added terms: log⁑4(3x)βˆ’log⁑4y\log_4(3x) - \log_4 y. Next, use the Quotient Property, log⁑aMβˆ’log⁑aN=log⁑aMN\log_a M - \log_a N = \log_a \frac{M}{N}, to combine the subtracted term. This results in the fully condensed single logarithm: log⁑43xy\log_4 \frac{3x}{y}.

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Updated 2026-05-26

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