If \(\rm \bar r = \left( {x\bar i + y\bar j + z\bar k} \right)\) then div\(\rm \;\bar r\) =

If \(\rm \bar r = \left( {x\bar i + y\bar j + z\bar k} \right)\) the

1.	If \(\rm \bar r = \left( {x\bar i + y\bar j + z\bar k} \right)\) then div\(\rm \;\bar r\) =
A.	0
B.	3
C.	(x + y + z)
D.	(x2 +y2 + z2)
Answer» C. (x + y + z)

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If \(\rm \bar r = \left( {x\bar i + y\bar j + z\bar k} \right)\) then div\(\rm \;\bar r\) =

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