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Other
Engineering Mathematics
Divergence and Curl
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Question
Find the divergence of the vector field.
V
=
2
x
2
i
+
5
y
3
j
+
3
z
4
k
a
t
x
=
2
,
y
=
3
,
z
=
4
A
1204
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B
602
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C
803
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D
911
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Solution
The correct option is
D
911
→
V
=
2
x
2
^
i
+
5
y
3
^
j
+
3
z
4
^
k
→
▽
→
V
=
[
∂
∂
x
^
i
+
∂
∂
y
j
+
∂
∂
z
k
]
[
2
x
2
^
i
+
5
y
3
^
j
+
3
z
4
^
k
]
=
4
x
+
15
y
2
+
12
z
3
At (2, 3, 4)
→
▽
→
V
=
8
+
15
(
3
)
2
+
12
(
4
)
3
= 8 + 135 + 768
= 911
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