# How do you use logarithmic differentiation to find the derivative of the function?

## How do you use logarithmic differentiation to find the derivative of the function?

Just follow the five steps below:

1. Take the natural log of both sides.
2. Use log properties to simplify the equations.
3. Differentiate both sides using implicit differentiation and other derivative rules.
4. Solve for dy/dx.
5. Replace y with f(x).

## What is dy dx calculator?

Implicit Differentiation Calculator is a free online tool that displays the derivative of the given function with respect to the variable. BYJU’S online Implicit differentiation calculator tool makes the calculations faster, and a derivative of the implicit function is displayed in a fraction of seconds.

Why might one prefer to use the logarithmic differentiation for finding derivatives of functions that have another function as an exponent?

suppose we have F of X which is equal to G of x rays to a function H of X. Now the reason why we choose to use log arrhythmic differentiation to differentiate this type of function is that because basic rules do not apply now, one might think that power rule applies here because we have an exponent.

Can you always use logarithmic differentiation?

In summary, logarithmic differentiation CAN be used for any function, but it is not always practical. Logarithmic differentiation should only be used for functions that cannot be differentiated using known rules of differentiation such as exponential functions.

### How do you isolate dy dx?

Step 1 Separate the variables by moving all the y terms to one side of the equation and all the x terms to the other side:

1. Multiply both sides by dx:dy = (1/y) dx. Multiply both sides by y: y dy = dx.
2. Put the integral sign in front:∫ y dy = ∫ dx. Integrate each side: (y2)/2 = x + C.
3. Multiply both sides by 2: y2 = 2(x + C)

### When should we use logarithmic differentiation?

You use logarithmic differentiation when you have expressions of the form y = f(x)g(x), a variable to the power of a variable. The power rule and the exponential rule do not apply here.

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