Answer to Question #68195 in Math for Engr Sam

Question

Determine the constants a and b such that the curl of
(
2
x
y
+
3
y
z
)
i
+
(
x
2
+
a
x
z
–
4
z
2
)
j
+
(
3
x
y
+
2
b
y
z
)
k
=
0