\[ R'(x) = \frac{d}{dx}[\ln(x^2 + 4x + 5)] = \frac{2x + 4}{x^2 + 4x + 5} \]
![\[ R'(x) = \frac{d}{dx}[\ln(x^2 + 4x + 5)] = \frac{2x + 4}{x^2 + 4x + 5} \]](https://soloferat.biz.id/images/rx--fracddxlnx2--4x--5--frac2x--4x2--4x--5-.jpg)
![\[ R'(x) = \frac{d}{dx}[\ln(x^2 + 4x + 5)] = \frac{2x + 4}{x^2 + 4x + 5} \]](https://soloferat.biz.id/images/rx--fracddxlnx2--4x--5--frac2x--4x2--4x--5-.jpg)
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