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In a certain region of space, the potential is given by: \( \mathrm{V}=\mathrm{k}\left[2 \mathrm{x}^{2}-\mathrm{y}^{2}+\mathrm{z}^{2}\right] \). The electric field at the point \( (1,1,1) \) has magnitude \( = \)
\( P \)
(A) \( \mathrm{k} \sqrt{6} \)
(B) \( 2 \mathrm{k} \sqrt{6} \)
(C) \( 2 \mathrm{k} \sqrt{3} \)
(D) \( 4 \mathrm{k} \sqrt{3} \)
W.
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