Find the exact value of each expression (without a calculator). (a) log4 20 – log4 45 + logą 144 (b) logs 180 – log5 50 – log5 90

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.5: Properties Of Logarithms
Problem 12E
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Find the exact value of each expression (without a calculator).
(a) log4 20 - log4 45 + log4 144
(b)
log5 180 - log5 50 – log5 90
Transcribed Image Text:Find the exact value of each expression (without a calculator). (a) log4 20 - log4 45 + log4 144 (b) log5 180 - log5 50 – log5 90
Expert Solution
Step 1

Formulae used:

  • loga x + loga y = loga (xy)
  • loga x - loga y = loga (x/y)
  • loga a = 1 
  • loga xn = n loga x
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