Help pls.sjjsususyshsusudjhsusushshhshsu
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Answer:
Step-by-step explanation: We know that:
and we want:
.
We can form the numerator using just the first fact (since 5^2 is 25) and the denominator using the latter two (since 3*7 = 21).
The logarithm of a division can be expanded by subtracting the numerator and denominator (while still keeping the log). The logarithm of a product can be expanded by adding the terms while keeping the log. If the logarithm is raised to a power, we can bring it down as a factor:
.
Substituting the variables: