Question: Express each as a sum, difference, or multiple of logarithms. See Example 2. Data from Example 2 (a) Using Eq. (13.7), we may express log
Express each as a sum, difference, or multiple of logarithms. See Example 2.

Data from Example 2
(a) Using Eq. (13.7), we may express log4 15 as a sum of logarithms:

(b) Using Eq. (13.8), we may express log4 (5/3) as the difference of logarithms:

(c) Using Eq. (13.9), we may express log4 (t2) as twice log t: 4
log4 (t2) = 2 log4 t
(d) Using Eq. (13.8) and then Eq. (13.7), we have

log x a
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