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Using the change-of-base formula, which of the following is equivalent to thelogarithmic expression below?

Using the change-of-base formula, which of the following is equivalent to thelogarithmic-example-1

1 Answer

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SOLUTION:

We use the rule;


(log_ap)/(log_aq)=log_qp

Looking at the question;


log_621=(log_(10)21)/(log_(10)6)

Thus, the answer is


(log_(10)21)/(log_(10)6)

Option C

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