engineering recuitment AAI JE Technical Mock Test 2020-21 Engineering Mathematics Calculus Vector Calculus
The velocity vector field \(\vec q = \left( {x - y} \right)\hat i + \left( {y - x} \right)\hat j + \left( {x + y + z} \right)\hat k\) is
1
irrotational
2
rotational
3
of potential kind
4
solenoidal