Find the derivative of the function below and simplify the result. g(x)=ln ((sqrt(4+x^2))/(x))

django0a6

django0a6

Answered question

2022-11-02

Find the derivative of the function below and simplify the result.
g ( x ) = ln ( 4 + x 2 x )

Answer & Explanation

h2a2l1i2morz

h2a2l1i2morz

Beginner2022-11-03Added 19 answers

Consider the provided function,
g ( x ) = ln ( 4 + x 2 x )
Use the properties of the logarithm function,
ln ( m n ) = ln m ln n
So, we can write as a form.
g ( x ) = ln ( 4 + x 2 x ) = ln ( 4 + x 2 ) ln x
Now, find the derivative of the above function.
d d x ( g ( x ) ) = d d x ( ln ( 4 + x 2 ) ln x )
The formula of the logarithm function
d d x ( ln x ) = 1 x
Apply the formula in the above function,
g ( x ) = 1 4 + x 2 d d x ( 4 + x 2 ) d d x ( ln x ) = 1 4 + x 2 ( 1 2 x 2 4 + x 2 ) 1 x = 1 4 + x 2 ( x 4 + x 2 ) 1 x = x 4 + x 2 1 x = x 2 4 x 2 x ( 4 + x 2 ) = 4 x ( 4 + x 2 )
Hence the derivative of the provided function is 4 x ( x 2 + 4 )

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