In Exercises 41–67, use properties of logarithms to condense each logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions without using a calculator. 41. log5 + log2

Trigonometry (MindTap Course List)
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Chapter5: Exponential And Logarithmic Functions
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In Exercises 41–67, use properties of logarithms to condense each logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions without using a calculator.

41. log5 + log2

57. 3ln x - 1/3ln y

67. 1/3 [2ln(x+5)-ln x-ln(x2 -4)]

 

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