4.3_bzca5e - Section 4.3 Properties of Logarithms The...

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Section 4.3 Properties of Logarithms
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The Product Rule
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Example 3 Use the product rule to expand each logarithmic expression. log (9 5) log (1000x) ×
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The Quotient Rule
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Example 5 3 Use the quotient rule to expand each logarithmic expression. 25 log log 8 ln 7 x x e ÷ ÷ ÷
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The Power Rule
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2: When we use the power rule to "pull the exponent to the front" we say that we are expanding a logarithmic expression. For example we can use the power rule to expand ln x
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Example 2 5 4 2 5 Use the power rule to expand each logarithmic expression. log 7 log (8 ) log ln(6 ) x x e
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Expanding Logarithmic Expressions
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Study Tip
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Example ( 29 ( 29 2 3 5 Use logarithmic properties to expand each expression as much as possible. log 25 log 10 ln log 9 10 b x z y e ÷
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This document was uploaded on 10/26/2011 for the course FKP bmfp at UTEM Chile.

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4.3_bzca5e - Section 4.3 Properties of Logarithms The...

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