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Write the expression below as a single logarithm in simplest form.

log_(b)4-log_(b)4
Answer: 
log_(b)(◻)

Write the expression below as a single logarithm in simplest form.\newlinelogb4logb4 \log _{b} 4-\log _{b} 4 \newlineAnswer: logb() \log _{b}(\square)

Full solution

Q. Write the expression below as a single logarithm in simplest form.\newlinelogb4logb4 \log _{b} 4-\log _{b} 4 \newlineAnswer: logb() \log _{b}(\square)
  1. Identify Property: Identify the property used to combine the logarithms.\newlineThe expression logb4logb4\log_{b}4 - \log_{b}4 involves the subtraction of two logarithms with the same base and the same argument.\newlineThe property that applies here is that the logarithm of any number minus itself is 00.
  2. Apply Property: Apply the property to combine the logarithms.\newlineSince logb4\log_{b}4 and logb4\log_{b}4 are the same, their difference is zero.\newlinelogb4logb4=0\log_{b}4 - \log_{b}4 = 0
  3. Write Single Logarithm: Write the expression as a single logarithm.\newlineThe expression 00 can be written as logb1\log_{b}1 because the logarithm of 11 to any base is 00.\newlineTherefore, logb4logb4=logb1\log_{b}4 - \log_{b}4 = \log_{b}1

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