Review Problems - Department of Mathematics
[Pages:9]Review Problems
Name:
Math 2400-006, Calculus III, Spring 2019
Instructions for Doing These Problems:
1. When you first attempt the problem, DO NOT use any help (books, notes, etc)
2. If you cannot solve the problem during step 1, then you may use books and notes. If you solve it during this step, make a special mark next to the problem number and make sure to review that section.
3. If you cannot solve it during step 2, then I recommend either asking me or a classmate for help. Make sure to mark the problem and read the section.
4. Once you've finished all of the problems, you should focus on practice problems from the corresponding sections of your marked problems. I highly recommend doing odd-numbered exercises until you're almost always getting the right answer with no help.
Z
p 2
Z
p 4
x2
1. Evaluate the integral
x2 + y2 dy dx.
0
x
:# ,
, firm I
area
e?i?
-
fifth
ZZ 2. Evaluate the integral y dA where D is the region bounded by x2 + y2 = 1 and
D
y = |x|.
""
??
lirlrsinalar . .
"
f: ' "i "
3. Sketch the solid whose volume is represented by the integral:
Z
Z
2
3
r2 sin() dr d
01
r Lr since = y
( considering
) r appears
n
:" " s"
4. Evaluate the sum of integrals:
Z0Zy
Z
3Z
p 9
y2
p yx3 dx dy +
p yx3 dx dy
p3
9 y2
2
0
9 y2
I-
-
"
?
rcrsinakicoioaraa
""
=
So
?
? 'd
since cos
I
do
!"
=
2421g
'd
since cos
-
-
uz
fusion )
do
=?fE
5. Calculate the mass of the lamina with density (x, y) = x2 and shape bounded by x = y2 and x = 4.
: ??m.?????????t?????
6. Calculate the x-coordinate of the center of mass of the lamina with density
(x, y)
=
y x
and
shape
bounded
by
the
vertices
(1, 1), (2, 0), (1, 0).
i???. .?s???:
7. Set up the integral for the mass of the object with density (x, y, z) = x + y and shape in the first octant bounded by z = 5, x = 2, and y = 10 x z.
""i"""
.
8. Find the surface area of the surface defined by the parametrization ~r(u, v) = hu v, 3 + v + u, ui where 0 u 2 and 1 v 1.
fl True
ID
,
,
Faith 1,07
'
'
inn f
ft
du
on
%: . " .
9. Find the surface area of the surface defined by f (x, y) = x2 y2 where x2 +y2 1.
x= x
?: . . .
Eaa:
: Iih.Iiq/.- taxis , D , 10. Find the surface area of the elliptic paraboloid x = y2 + z2 within the sphere x2 + y2 + z2 = 6.
X = y 't ZZ
?' ?????i???????
11. Find the volume of the solid in the 1st octant bounded between the planes z = 4 x and y = 2 x.
at
22- !
dzaaox
! t* hisy :*!
ZZZ
12. Set up, but do not evaluate,
ey dV where E is the region bounded by x = y2,
E
z = 16 x2, and z = 0.
t???
.
Isis : ?
.
.
..
13. Sketch the solid whose volume is given by
Z 1 Z 1 Z ex+y 1 dz dx dy
111
very
ruffians
t.EE
14. Let f (x, y, z) be an arbitrary continuous function. Switch the order of integration
of
Z
2Z
p 4
x2 Z
2
x
f (x, y, z) dz dy dx
20
0
to dy dx dz.
?*i???. ?"?"?"?"???
ZZZ
15. Evaluate the integral
z + 2 dV where E is the region inside the cylinder
E
x2 + z2 = 25 and bounded by the planes y = x + 5 and y = x 5.
?Eis:?"an
ZZZ
16. Evaluate the integral
x2 + y2 dV where E is the region beneath the cone
p
E
z = x2 + y2 and inside the sphere x2 + y2 + z2 = 36.
t?????????:??
17. Sketch the region whose volume is represented by the integral
riff
'
A
Itt
'
x' . tg
Est
Z
Z
2Z
p 1+z2
000
10
,
comms
r dr dz d.
,
height
cylindrical so , A 't ':?* ,
"
Hirado
I - sheet
18. Find the volume of the region outside the cylinder x2 + y2 = 1 and inside the sphere x2 + y2 + z2 = 4.
???i?:?????fi"?ii"
19. Sketch the region T (R) where R is the rectanglepwith vertices (0, 0), (1, 0), (0, 1), (1, 1) and T is the transformation T (u, v) = hu + v, ui
????i : o??t?????i?I ??::??????? .
20.
Evaluate
the
integral
RR
D
x 2y x2+y2+2xy+1
dpA
where
D
is
the
region
bounded
by
y
=
1 x, x + y = 2, x = 2y and x 2y = x + y using the transformation T (u, v) =
u+2v 3
,
v
u 3
3x
2 -
-
Ut
v
3y
=
- u tN
" " "" "
" "
'
'
"
?:: .
:*fi : ?*: ???I????????
I
.
U-y
21.
Evaluate
the
integral
RR
D
xex2
y2 + yex2
y2 dA where D is the region bounded by
|x| + |y| 2.
? i :??????i:?????? :??????:
Z
22. Evaluate xy ds where C is the section of the circle x2 + y2 = 1 starting at
C
(0, 1) and going to (0, 1).
? let's say counterclockwise !
,Y?h?!"ht Htt -
since
,
ToTHs?Eca' I
" " " " " " ' at
sina.c.ws/ - sin -
=
Z
23. Evaluate F ? dr where F(x, y) = h
C
( 1, 1) to (2, 2).
y, xi and C is the line segment connecting
?*
F' It
.
a
D
,
! ! f- t t ) . 41 D at
,
,
!f =
o at
.
@ =
................
................
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