Math  /  Algebra

QuestionUse properties of logarithms to expand each logarithmic expression as much as possible. Evaluate logarithmic expressions without using a calculator if possible. lnx15\ln \sqrt[15]{x}

Studdy Solution

STEP 1

1. We are given a logarithmic expression involving a radical.
2. We can use properties of logarithms to simplify and expand the expression.
3. The expression can be rewritten using the power rule for logarithms.

STEP 2

1. Rewrite the radical expression in exponential form.
2. Apply the power rule for logarithms to expand the expression.

STEP 3

Rewrite the radical expression x15\sqrt[15]{x} in exponential form.
The expression x15\sqrt[15]{x} can be written as x1/15x^{1/15}.

STEP 4

Apply the power rule for logarithms, which states that ln(ab)=bln(a)\ln(a^b) = b \cdot \ln(a).
Using this rule, we have:
ln(x1/15)=115ln(x)\ln(x^{1/15}) = \frac{1}{15} \cdot \ln(x)
The expanded form of the logarithmic expression is:
115ln(x)\frac{1}{15} \ln(x)

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