Let \( f(x)=\left|\begin{array}{ccc}1 & 2 x & 3 x^{2} \\ x & x^{2} ...

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Let \( f(x)=\left|\begin{array}{ccc}1 & 2 x & 3 x^{2} \\ x & x^{2} & x^{3} \\ 0 & 2 & 6 x\end{array}\right| \)
\( \mathrm{P} \)
W.
Then find the value of \( f^{\prime}(1) \)
(A) 0
(B) -2
(C) -6
(D) 6
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