WTW258: LU 2.3: TRIPLE INTEGRALS FOR FUNCTIONS OF THREE VARIABLES Lecture notes
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Course
WTW 258 - Calculus
Institution
University Of Pretoria (UP)
Lecture notes were made while watching the recorded lectures assigned to watch. These notes include theory (theorems) and worked out examples from the lecturer.
These specific notes cover Triple integrals for functions of three variables.
integrate over dsolid region c- in space 112¥:
Triple integrals
•
3 variable function
•
f) Jfk ,yidV
E ↓ ↳ volume
↓ new
Not that important
changed
.
Plane
name for Type 1,2 , } regions
-
C- projection .
region
inside → outside
Example
above the XY plane , below
① f is the region
-
'
the sphere ii. y *t
"
9 ? 3.
, exit
,
to ✗ Y Plane
project
-
✗
" enter
(7--0) '
9 a-
-
ji
prey
=
exit
V9 x2
⑧
'
≤ 2- ≤
◦
y
-
-
into
mentor
exits
cehtrdhle) µ
, •
≤ set }
Variable
-3
•
-
✓Ñ≤ y ≤ g- x2 function
volume of E
?
3 V9.7 ✓q-Ñ
JJJ
f
I dv
=L .
} f.gg#fo1dtdydk
First octant → where my ,t
positive
is
if we've got :
projected to
Type I
.
. .
dtdyd K ✗y
-
plane
Projected to Type 2
$ .
. .
dydxdz ✗ 7- plane
on
R outside .
to
Projected
$ . _ .
dxdydt YZ -
plane
Type 2
R
?⃝
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