engineering recuitment BEL Probationary Engineers Mock Test 2025 Engineering Mathematics Calculus Vector Calculus
Gauss Divergence is defined as:
1
\(\oint A.ds=\iiint{\left( \nabla .A \right)dv}\)
2
\(\oint \left( {{\rm{Mdx}} + {\rm{Ndy}}} \right) = \int\!\!\!\int \left( {\frac{{\partial {\rm{N}}}}{{\partial {\rm{x}}}} - \frac{{\partial {\rm{M}}}}{{\partial {\rm{y}}}}} \right){\rm{dxdy}}\)
3
\(\mathop \oint \limits_C^\; \vec A.d\vec l = \mathop \int\!\!\!\int \limits_S^\; \left( {\vec \nabla \times \vec A} \right).d\vec s \)
4
None of the above