CSEC Additional Mathematics · 2015 · Paper 1 · Question Q35
\frac{d}{dx}\sqrt{(7x^2 + 4)} =
- (A)
\frac{14x}{\sqrt{7x^2 + 4}} - (B)
\frac{7x}{\sqrt{7x^2 + 4}} - (C)
\frac{7x}{2\sqrt{7x^2 + 4}} - (D)
\frac{7}{\sqrt{7x^2 + 4}}
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