A Level

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

Calculate ddx[ln⁡( 1−2x )]\displaystyle \frac{d}{dx}\Big[\ln\big(\sqrt{\,1-2x\,}\big)\Big]. (a) −12(1−2x)-\dfrac{1}{2(1-2x)} (b) −11−2x-\dfrac{1}{1-2x} (c) 11−2x\dfrac{1}{1-2x} (d) −1(1−2x)2-\dfrac{1}{(1-2x)^{2}}

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