183/
Biblioteczka Opracowań Matematycznych
f—• =|x~~-1 =r lx'dx= 2ldl x5=/2+l| = ^ \~TT~\=-^orcigt=-arctgJxi-\+C
I
dx
l+tgx
lgx = l dl
dl
i+r
= dx
A + B |
= 0 | |
B + C |
= 0 | |
A + C |
= 1 | |
£* |
1 | |
2i |
1+t |
2 |
/ł = -0
a-i
2
c4
= 2J
x+ln
sinx
cos5 x
-dx =
l+/gr
^+tg2>
=—In
2
cosx+sinx
cosx
'cos2x+sin:x
+-+C
cos x = t - sin xdx = dl
cos"x
„ rdt I _ 1
= -2j— = -+C =-r- + C
Jr r
cos’ x
sin x
u = !n(cos x) du = - -Sm— dx cosx dx
dv = -
v = -ctgx
= -ctgx ln|cos x| - jćir = -cigx ln|cos x| - x+C
jVl-sinx«atx = |
f>/(l-smxXl+sinx) |
r7l-sin3xrf_ |
r cosxdx |
sinx = r |
J 71 +sin x |
■* Vl+sinx |
' 7l + sinx |
cos x<ix = |
= J^== = = Jz ^ = 2z^+c=2Vz+C=2VT+7 + C = 2Vr+sin7 + C
8BI / . \ ?vWv
.v5
ln(x: + l) r 2xdx 3 + ^2x3(.v3 + l)~
1 A | Bx + C x2(a+ B)+Cx+ A 1 x x[x2 +1) X x2 +1 x(x2 + l) X x2 + l
f~2x—-=a‘=t a2x=r a‘\nadx=dt axdx = -^~ =-^—[-^— = -^—arctghi‘)+C a +1 Ina lna'^+1 Ina ' '
■j* = t2 ~j= = 2rdj = 2 J(l -sinr')hdi = 4 jrdr- 4 J/ sin/2dr = 2/2 -
rl-sin7x ,
J-t=—dx=
fx
/2=_-
2rdt = dz
’ I UUl
= 2r - Jsin rot = 2(/: + cos z)= 2(7* + cos i2)+ C = l4x + 2 cos V* + C 191/
7~+ = |x +1 = /2 x-1 = t2 - 2 dx=2tdt\= fV(* + l) = f3^L
(X-!> 1 J J'2-
k2t2 + 4 + -r-=)dt = + 4/ + 8 = /
J r-2 3 J/2 -2
8 = 2V2- 2-71 J-Ąy = 272 4 - 73 - 272 tal* + 73 = 272 In
/-V2 / + V2 1 I II 7x+1 + V2
+r
7*77-72
7jr+i+72
+c
-55-