What is the derivative of $ln (2 x + 1)$ $ln(2x+1)$ ?

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Answer 1 · 2015-10-19T21:45:03

$\frac{2}{2 x + 1}$ $2/(2x+1)$

Use the Chain Rule

$\frac{d}{d x} ln (2 x + 1) = \frac{1}{2 x + 1} \cdot \frac{d}{d x} (2 x + 1) = \frac{2}{2 x + 1}$ $d/dxln(2x+1) = 1/(2x+1)*d/dx(2x+1)=2/(2x+1)$

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What is the derivative of ln(2x+1)ln(2x+1)?