2
You visited us
2
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Other
Engineering Mathematics
Areas
The region sp...
Question
The region specified by
{
(
ρ
,
ϕ
,
z
)
:
3
≤
ρ
≤
5
,
π
8
≤
ϕ
≤
π
4
,
3
≤
z
≤
4.5
}
in cylindrical coordinates has volume of
4.71
Open in App
Solution
The correct option is
A
4.71
Volume in cylindrical coordinations
=
∫
4.5
z
=
3
∫
π
/
4
ϕ
=
π
8
∫
5
ρ
=
3
(
ρ
)
d
ρ
d
ϕ
d
z
=
∫
4.5
z
=
3
∫
π
/
4
ϕ
=
π
8
8.
d
ϕ
d
z
=
∫
4.5
z
=
3
(
π
)
d
z
=
1.5
π
=
4.71
Suggest Corrections
0
Similar questions
Q.
The vander waal's equation of corresponding states for 1 mole of gas is [where
P
c
=
critical pressure,
T
c
=
critical temperature,
V
c
=
critical volume]
[
π
=
P
P
c
,
ϕ
=
V
V
c
a
n
d
θ
=
T
T
c
]
Q.
For
0
<
ϕ
<
π
2
, if
x
=
∑
∞
n
=
0
cos
2
n
ϕ
,
y
=
∑
∞
n
=
0
sin
2
n
ϕ
and
z
=
∑
∞
n
=
0
cos
2
n
ϕ
sin
2
n
ϕ
, then show that
x
y
z
=
x
y
+
z
.
Q.
If
cot
θ
=
1
2
and
sec
ϕ
=
−
5
3
, where
θ
∈
(
π
,
3
π
2
)
and
ϕ
∈
(
π
2
,
π
)
, then the value of
cot
(
θ
−
ϕ
)
is
Q.
For 0<
ϕ
<
π
2
,
i
f
x
=
∑
∞
n
=
0
c
o
s
2
n
ϕ
,
y
=
∑
∞
n
=
0
s
i
n
2
n
ϕ
,
z
=
∑
∞
n
=
0
c
o
s
2
n
ϕ
,
t
h
e
n
Q.
If
sin
θ
=
3
5
,
cos
ϕ
=
12
13
where
θ
,
ϕ
∈
(
0
,
π
/
2
)
, then the value of
tan
(
θ
+
ϕ
)
is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Areas
ENGINEERING MATHEMATICS
Watch in App
Explore more
Areas
Other Engineering Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app