12x1 t06 01 integration using substitution (2011)
TRANSCRIPT
Integration Using Substitution
Integration Using Substitution
Try to convert the integral into a “standard integral”
Integration Using Substitution
Try to convert the integral into a “standard integral”STANDARD INTEGRALS
dxxn 0 if ,0;1 ,1
1 1
nxnxn
n
Integration Using Substitution
Try to convert the integral into a “standard integral”STANDARD INTEGRALS
dxxn 0 if ,0;1 ,1
1 1
nxnxn
n
dxx1
0 ,ln xx
Integration Using Substitution
Try to convert the integral into a “standard integral”STANDARD INTEGRALS
dxxn 0 if ,0;1 ,1
1 1
nxnxn
n
dxx1
0 ,ln xx
Integration Using Substitution
Try to convert the integral into a “standard integral”STANDARD INTEGRALS
dxxn 0 if ,0;1 ,1
1 1
nxnxn
n
dxx1
0 ,ln xx
dxeax 0 ,1 ae
aax
Integration Using Substitution
Try to convert the integral into a “standard integral”STANDARD INTEGRALS
dxxn 0 if ,0;1 ,1
1 1
nxnxn
n
dxx1
0 ,ln xx
dxeax 0 ,1 ae
aax
dxax cos 0 ,sin1 aax
a
Integration Using Substitution
Try to convert the integral into a “standard integral”STANDARD INTEGRALS
dxxn 0 if ,0;1 ,1
1 1
nxnxn
n
dxx1
0 ,ln xx
dxeax 0 ,1 ae
aax
dxax cos 0 ,sin1 aax
a
dxax sin 0 ,cos1 aax
a
dxax sec2 0 ,tan1 aax
a
dxax sec2 0 ,tan1 aax
a
dxaxax tansec 0 ,sec1 aax
a
dxax sec2 0 ,tan1 aax
a
dxaxax tansec 0 ,sec1 aax
a
dxxa
122 0 ,tan1 1 a
ax
a
dxax sec2 0 ,tan1 aax
a
dxaxax tansec 0 ,sec1 aax
a
dxxa
122 0 ,tan1 1 a
ax
a
dxxa
122 axaa
ax
0, ,sin 1
dxax sec2 0 ,tan1 aax
a
dxaxax tansec 0 ,sec1 aax
a
dxxa
122 0 ,tan1 1 a
ax
a
dxxa
122 axaa
ax
0, ,sin 1
dxax
122 0 ,ln 22 axaxx
dxax sec2 0 ,tan1 aax
a
dxaxax tansec 0 ,sec1 aax
a
dxxa
122 0 ,tan1 1 a
ax
a
dxxa
122 axaa
ax
0, ,sin 1
dxax
122 0 ,ln 22 axaxx
dxax
122 22ln axx
e.g. (i) dxxx 42
e.g. (i) dxxx 4242 xu
e.g. (i) dxxx 4242 xu
u
e.g. (i) dxxx 4242 xu
xdxdu 2u
e.g. (i) dxxx 4242 xu
xdxdu 2udu
21
e.g. (i) dxxx 4242 xu
duu
dxxx
21
2
21
4221
xdxdu 2udu
21
e.g. (i) dxxx 4242 xu
duu
dxxx
21
2
21
4221
xdxdu 2udu
21
cu 23
32
21
e.g. (i) dxxx 4242 xu
duu
dxxx
21
2
21
4221
xdxdu 2udu
21
cu 23
32
21
cu 23
31
e.g. (i) dxxx 4242 xu
duu
dxxx
21
2
21
4221
xdxdu 2udu
21
cu 23
32
21
cu 23
31
cx 23
2 431
e.g. (i) dxxx 4242 xu
duu
dxxx
21
2
21
4221
xdxdu 2udu
21
cu 23
32
21
cu 23
31
cx 23
2 431
cxx 4431 22
dx
xxxii
7841
2
dx
xxxii
7841
2
dxxduxxu
88784 2
dx
xxxii
7841
2
dxxduxxu
88784 2
udu
81
dx
xxxii
7841
2
dxxduxxu
88784 2
cu log81
udu
81
dx
xxxii
7841
2
dxxduxxu
88784 2
cu log81
cxx 784log81 2
udu
81
dx
xxxii
7841
2
dxxduxxu
88784 2
cu log81
cxx 784log81 2
udu
81
3log xx
dxiii
dx
xxxii
7841
2
dxxduxxu
88784 2
cu log81
cxx 784log81 2
udu
81
3log xx
dxiii
xdxdu
xu
log
dx
xxxii
7841
2
dxxduxxu
88784 2
cu log81
cxx 784log81 2
udu
81
3log xx
dxiii
xdxdu
xu
log
duuudu
3
3
dx
xxxii
7841
2
dxxduxxu
88784 2
cu log81
cxx 784log81 2
udu
81
3log xx
dxiii
xdxdu
xu
log
duuudu
3
3
cu
cu
2
2
21
21
dx
xxxii
7841
2
dxxduxxu
88784 2
cu log81
cxx 784log81 2
udu
81
3log xx
dxiii
xdxdu
xu
log
duuudu
3
3
cu
cu
2
2
21
21
c
x 2log2
1
dx
xxiv
1
dx
xxiv
1ududx
xuux2
11 2
dx
xxiv
1ududx
xuux2
11 2
udu
uu 21 2
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
uduuu 21 2
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
cxx 12132 3
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
cxx 12132 3
cxxx 121132
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
2
3
5 cossin
xdxxv
cxx 12132 3
cxxx 121132
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
2
3
5 cossin
xdxxvxdxduxu
cossin
cxx 12132 3
cxxx 121132
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
2
3
5 cossin
xdxxvxdxduxu
cossin
cxx 12132 3
cxxx 121132
23
3sin,
3
u
ux
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
2
3
5 cossin
xdxxvxdxduxu
cossin
cxx 12132 3
cxxx 121132
23
3sin,
3
u
ux
1 2
sin,2
u
ux
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
2
3
5 cossin
xdxxvxdxduxu
cossin
1
23
5duu
cxx 12132 3
cxxx 121132
23
3sin,
3
u
ux
1 2
sin,2
u
ux
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
2
3
5 cossin
xdxxvxdxduxu
cossin
1
23
5duu
123
6
61 u
cxx 12132 3
cxxx 121132
23
3sin,
3
u
ux
1 2
sin,2
u
ux
dx
xxiv
1ududx
xuux2
11 2
duu 12 2
cuu
3
312
uduuu 21 2
2
3
5 cossin
xdxxvxdxduxu
cossin
1
23
5duu
123
6
61 u
38437
231
61
66
cxx 12132 3
cxxx 121132
23
3sin,
3
u
ux
1 2
sin,2
u
ux
4
3225 x
xdxvi
4
3225 x
xdxvixdxdu
xu2
25 2
4
3225 x
xdxvixdxdu
xu2
25 2
9,416,3
uxux
4
3225 x
xdxvixdxdu
xu2
25 2
16
9
21
9
16
21
21
duu
udu
9,416,3
uxux
4
3225 x
xdxvixdxdu
xu2
25 2
16
9
21
9
16
21
21
duu
udu
16
9
21
u
9,416,3
uxux
4
3225 x
xdxvixdxdu
xu2
25 2
16
9
21
9
16
21
21
duu
udu
16
9
21
u
1916
9,416,3
uxux
5
0
225 dxxvii
5
0
225 dxxvii
ududx
xuux
cos55
sinsin5 1
5
0
225 dxxvii
ududx
xuux
cos55
sinsin5 1
2
1sin,50
0sin,0
1
1
u
uxuux
5
0
225 dxxvii
ududx
xuux
cos55
sinsin5 1
2
0
2 cos5sin2525
uduu
2
1sin,50
0sin,0
1
1
u
uxuux
5
0
225 dxxvii
ududx
xuux
cos55
sinsin5 1
2
0
2 cos5sin2525
uduu
2
0
2
2
0
2
cos25
cos5cos25
udu
uduu
2
1sin,50
0sin,0
1
1
u
uxuux
5
0
225 dxxvii
ududx
xuux
cos55
sinsin5 1
2
0
2 cos5sin2525
uduu
2
0
2
2
0
2
cos25
cos5cos25
udu
uduu
2
0
2
0
2sin21
225
2cos1225
uu
duu2
1sin,50
0sin,0
1
1
u
uxuux
5
0
225 dxxvii
ududx
xuux
cos55
sinsin5 1
2
0
2 cos5sin2525
uduu
2
0
2
2
0
2
cos25
cos5cos25
udu
uduu
2
0
2
0
2sin21
225
2cos1225
uu
duu2
1sin,50
0sin,0
1
1
u
uxuux
425
0sin21
2225
5
0
225 dxxvii
5
0
225 dxxviiy
x5
5
-5
225 xy
5
0
225 dxxviiy
x5
5
-5
225 xy
5
0
225 dxxviiy
x5
5
-5
225 xy
425
541 2
Exercise 6C; 1, 2ace, 3, 4ace, 5ace etc, 6, 7 & 8ac, 11, 12Exercise 6D; 1, 2a, 3, 4b, 5ac, 6ace etc, 7ab(i,ii)
8ab (i,iii,vi), 9ab (ii,iv,vi), 11, 13
Patel Exercise 2A ace in all NOTE: substitution is not given in Extension 2
5
0
225 dxxviiy
x5
5
-5
225 xy
425
541 2