The work done by a force \( \vec{F}=\left(-6 x^{3} \hat{i}\right) N \), in displacing a particle...

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The work done by a force \( \vec{F}=\left(-6 x^{3} \hat{i}\right) N \), in displacing a particle from \( x=4 m \) to \( x=-2 m \) is
[Kerala PMT 2006]
(a) \( 360 \mathrm{~J} \)
(b) \( 240 \mathrm{~J} \)
(c) \( -240 \mathrm{~J} \)
(d) \( -360 \mathrm{~J} \)
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