Question 696085
How do you write log5 y - 4(log5 r + 2log5 t) as a single logarithm?
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log5 y - 4(log5 r + 2log5 t)
= log(y) - 4(log(r) + log(t^2))
= log(y) - 4log(rt^2)
= log(y) - log(r^4t^8)
= log(y/(r^4t^8))
To any consistent base