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Popular Calculus >

derivative of (12/(ln(x)))

Solution

\frac{d}{d x} (\frac{12}{ln ( x )})

Solution

- \frac{12}{x ln ^{2} ( x )}

Solution steps

\frac{d}{d x} (\frac{12}{ln ( x )})

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= 12 \frac{d}{d x} (\frac{1}{ln ( x )})

Apply exponent rule:

\frac{1}{a} = a^{- 1}

= 12 \frac{d}{d x} (ln^{- 1} (x))

Apply the chain rule:

- \frac{1}{( ln ( x ) ) ^{2}} \frac{d}{d x} (ln (x))

= - \frac{1}{( ln ( x ) ) ^{2}} \frac{d}{d x} (ln (x))

\frac{d}{d x} (ln (x)) = \frac{1}{x}

= 12 (- \frac{1}{( ln ( x ) ) ^{2}} \cdot \frac{1}{x})

Simplify

12 (- \frac{1}{ln ^{2} ( x )} \cdot \frac{1}{x}) : - \frac{12}{x ln ^{2} ( x )}

= - \frac{12}{x ln ^{2} ( x )}

Graph

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Frequently Asked Questions (FAQ)

What is the derivative of (12/(ln(x))) ?
The derivative of (12/(ln(x))) is -(12)/(xln^2(x))
What is the first derivative of (12/(ln(x))) ?
The first derivative of (12/(ln(x))) is -(12)/(xln^2(x))