The value of \( \frac{d y}{d x} \) of \( y=\sqrt{\frac{(7 x-1)\left...

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The value of \( \frac{d y}{d x} \) of \( y=\sqrt{\frac{(7 x-1)\left(x^{2}+3\right)}{x^{3}+5 x^{2}-1}} \) at \( x=1 \)
\( \mathrm{P} \)
W
(1) \( \frac{-7}{15} \sqrt{\frac{24}{5}} \)
(2) \( \frac{7}{15} \sqrt{\frac{24}{5}} \)
(3) \( \frac{7}{15} \)
(4) \( \sqrt{\frac{24}{5}} \)
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