Let \( f(x)=\left|\begin{array}{ccc}x^{3} & 2 x^{2} & -x \\ 2 x & 1 & 0 \\ x & 0 & 3\end{array}\....
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Let \( f(x)=\left|\begin{array}{ccc}x^{3} & 2 x^{2} & -x \\ 2 x & 1 & 0 \\ x & 0 & 3\end{array}\right| \) then the value of \( f^{\prime}(1) \) is
\( \mathrm{P} \)
(1) -25
(2) 25
(3) -20
(4) 20
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