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Divergence of vector field overrightarrow rm V left( rm x rm...

This question belongs to Engineering Maths Calculus
Calculus
?

Divergence of vector field \[\overrightarrow {\rm{V}} \left( {{\rm{x}},\,{\rm{y}},\,{\rm{z}}} \right) = - \left( {{\rm{x}}\cos {\rm{xy}} + {\rm{y}}} \right){\rm{\hat i}} + \left( {{\rm{y}}\cos {\rm{xy}}} \right){\rm{\hat j}} + \left[ {\left( {\sin {{\rm{z}}^2}} \right) + {{\rm{x}}^2} + {{\rm{y}}^2}} \right]{\rm{\hat k}}\]             is

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Correct Answer: Option A
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