Use the Wallis sine and cosine formulas: ∫ 0 π / 2 sin n x d x = π 2 ⋅ 1 ⋅ 3 ⋅ 5 ⋅ ⋅ ⋅ n − 1 2 ⋅ 4 ⋅ 6 ⋅ ⋅ ⋅ n n even and ≥ 2 ∫ 0 π / 2 sin n x d x = 2 ⋅ 4 ⋅ 6 ⋅ ⋅ ⋅ n − 1 3 ⋅ 5 ⋅ 7 ⋅ ⋅ ⋅ n n odd and ≥ 3 ∫ 0 π / 2 cos n x d x = π 2 ⋅ 1 ⋅ 3 ⋅ 5 ⋅ ⋅ ⋅ n − 1 2 ⋅ 4 ⋅ 6 ⋅ ⋅ ⋅ n n even and ≥ 2 ∫ 0 π / 2 cos n x d x = 2 ⋅ 4 ⋅ 6 ⋅ ⋅ ⋅ n − 1 3 ⋅ 5 ⋅ 7 ⋅ ⋅ ⋅ n n odd and ≥ 3 Find the mass of the solid in the first octant bounded above by the paraboloid z = 4 − x 2 − y 2 , below by the plane z = 0 , and laterally by the cylinder x 2 + y 2 = 2 x and the plane y = 0 assuming the density to be δ x , y , z = z .
Use the Wallis sine and cosine formulas: ∫ 0 π / 2 sin n x d x = π 2 ⋅ 1 ⋅ 3 ⋅ 5 ⋅ ⋅ ⋅ n − 1 2 ⋅ 4 ⋅ 6 ⋅ ⋅ ⋅ n n even and ≥ 2 ∫ 0 π / 2 sin n x d x = 2 ⋅ 4 ⋅ 6 ⋅ ⋅ ⋅ n − 1 3 ⋅ 5 ⋅ 7 ⋅ ⋅ ⋅ n n odd and ≥ 3 ∫ 0 π / 2 cos n x d x = π 2 ⋅ 1 ⋅ 3 ⋅ 5 ⋅ ⋅ ⋅ n − 1 2 ⋅ 4 ⋅ 6 ⋅ ⋅ ⋅ n n even and ≥ 2 ∫ 0 π / 2 cos n x d x = 2 ⋅ 4 ⋅ 6 ⋅ ⋅ ⋅ n − 1 3 ⋅ 5 ⋅ 7 ⋅ ⋅ ⋅ n n odd and ≥ 3 Find the mass of the solid in the first octant bounded above by the paraboloid z = 4 − x 2 − y 2 , below by the plane z = 0 , and laterally by the cylinder x 2 + y 2 = 2 x and the plane y = 0 assuming the density to be δ x , y , z = z .
∫
0
π
/
2
sin
n
x
d
x
=
π
2
⋅
1
⋅
3
⋅
5
⋅
⋅
⋅
n
−
1
2
⋅
4
⋅
6
⋅
⋅
⋅
n
n
even
and
≥
2
∫
0
π
/
2
sin
n
x
d
x
=
2
⋅
4
⋅
6
⋅
⋅
⋅
n
−
1
3
⋅
5
⋅
7
⋅
⋅
⋅
n
n
odd
and
≥
3
∫
0
π
/
2
cos
n
x
d
x
=
π
2
⋅
1
⋅
3
⋅
5
⋅
⋅
⋅
n
−
1
2
⋅
4
⋅
6
⋅
⋅
⋅
n
n
even
and
≥
2
∫
0
π
/
2
cos
n
x
d
x
=
2
⋅
4
⋅
6
⋅
⋅
⋅
n
−
1
3
⋅
5
⋅
7
⋅
⋅
⋅
n
n
odd
and
≥
3
Find the mass of the solid in the first octant bounded above by the paraboloid
z
=
4
−
x
2
−
y
2
,
below by the plane
z
=
0
,
and laterally by the cylinder
x
2
+
y
2
=
2
x
and the plane
y
=
0
assuming the density to be
δ
x
,
y
,
z
=
z
.
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Area Between The Curve Problem No 1 - Applications Of Definite Integration - Diploma Maths II; Author: Ekeeda;https://www.youtube.com/watch?v=q3ZU0GnGaxA;License: Standard YouTube License, CC-BY