Q. Write the expression below as a single logarithm in simplest form.logb4−logb4Answer: logb(□)
Identify Property: Identify the property used to combine the logarithms.The expression logb4−logb4 involves the subtraction of two logarithms with the same base and the same argument.The property that applies here is that the logarithm of any number minus itself is 0.
Apply Property: Apply the property to combine the logarithms.Since logb4 and logb4 are the same, their difference is zero.logb4−logb4=0
Write Single Logarithm: Write the expression as a single logarithm.The expression 0 can be written as logb1 because the logarithm of 1 to any base is 0.Therefore, logb4−logb4=logb1
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