Q
QuestionMathematics

How do you "cancel" ln(x) (natural log of a variable)?
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Answer

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Step 1:
I'll solve this problem step by step, focusing on the algebraic manipulation of logarithms.

Step 2:
: Understanding Logarithm Cancellation

To "cancel" ln(x), we need to apply the inverse operation of the natural logarithm, which is the exponential function $$e^{x}$$.

Step 3:
: Applying the Exponential Function

If we have $$\ln(x)$$, we can cancel it by applying $$e^{\ln(x)}$$.

Step 4:
: Logarithm-Exponential Identity

This means that $$e^{\ln(x)}$$ simplifies directly to $$x$$.
This works because of the fundamental logarithm-exponential identity: The exponential and natural logarithm functions are inverses of each other.

Step 5:
: Example Demonstration

e^{\ln(x)} = x
Let's show an example:

Final Answer

To "cancel" ln(x), apply the exponential function e^{\ln(x)}, which always simplifies to x.