How to Simplify the Derivative of $\frac{1+\ln(t)}{1-\ln(t)}$?

In summary, the function $\frac{1+\ln(t)}{1-\ln(t)}$ is correct, but it can be simplified further to $\frac{1}{t}$. Simplifying expressions not only improves algebra skills but also helps in finding critical numbers and for optimization purposes.
  • #1
Petrus
702
0
Differentiate the function: $\frac{1+\ln(t)}{1-\ln(t)}$
Is this correct?
$\frac{1/t(1-\ln(t))-(-1/t)(1+\ln(t))}{(1-\ln(t))^2}$
I got none facit in My textbook so I would like to someone confirmed I am doing right.
 
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  • #2
correct
 
  • #3
It's correct as far as it goes, but you could certainly simplify it a bit.
 
  • #4
Opalg said:
It's correct as far as it goes, but you could certainly simplify it a bit.

Yes, this is a good habit to get into, as not only does it improve your algebra skills and just looks more elegant to express results in a simpler more compact form, it is also crucial for finding critical numbers when you are looking at the behavior of the original function or for optimization (finding extrema).
 

FAQ: How to Simplify the Derivative of $\frac{1+\ln(t)}{1-\ln(t)}$?

What is the definition of the natural logarithm function?

The natural logarithm function, denoted as ln(x), is the inverse of the exponential function y = e^x. It is defined as the power to which the base e (approximately equal to 2.71828) must be raised to obtain a given number, x. In other words, ln(x) is the exponent that we need to put on e to get x.

How do you differentiate ln(x)?

To differentiate ln(x), we can use the logarithmic differentiation technique. This involves taking the natural logarithm of both sides of the original function and then using the properties of logarithms to simplify the expression. The resulting expression can then be differentiated using the power rule or other differentiation rules.

What is the derivative of ln(x)?

The derivative of ln(x) is 1/x. This can be derived using the logarithmic differentiation technique or by applying the derivative rules for logarithmic functions. In general, the derivative of ln(x) is equal to 1/x.

Can you differentiate ln(f(x)), where f(x) is a function?

Yes, we can differentiate ln(f(x)) using the chain rule. The resulting expression will involve the derivative of the inner function, f'(x), multiplied by the derivative of ln(x), which is 1/x. The final answer can be simplified using algebraic manipulation.

How is the natural logarithm function used in real life?

The natural logarithm function is used in various fields of science and mathematics. Some real-life applications include calculating the growth and decay of populations, modeling chemical reactions, and analyzing financial data. It is also used in statistics to calculate the natural log of data to make it more normally distributed and easier to work with.

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