Teaching RPSC School Lecturer Mock Test Series 2024 Engineering Mathematics Calculus Vector Calculus
यदि \(\rm \bar r = \left( {x\bar i + y\bar j + z\bar k} \right)\) तो div\(\rm \;\bar r\) = ?
1
0
2
3
3
(x + y + z)
4
(x2 +y2 + z2)
5
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