\
Step 1 :
\If
is a vector field on
and
and
are exists, then the divergence of F is
.
Step 2 :
\The function is
and the point is
.
Compare
with
.
and
.
Consider
.
Apply partial derivative on each side with respect to x.
\
Consider
.
Apply partial derivative on each side with respect to y.
\
Consider
.
Apply partial derivative on each side with respect to z.
\
Step 2 :
\Find the divergence of the function.
\
Substitute corresponding values.
\
Substitute the point
in above equation.

The divergence of the function is 
Solution :
\The divergence of the function is 