348 XVII. Całki funkcji niewymiernych
17.79. J n/V-4 dx . 17.81. J Vx2-3x+2tfx.
17.80. J y[3x2+TÓx+9 dx r x2 dx
X2 dx
\Jx2 +2x + 2
1 — X
dx.
2 ax +1
dx, a > 1.
x3+2x2+x-l
s/x2+2x-1
2x2 4"3x -+■1 \x2 +1 x3-x + l \!x2 +2x+2 3 dx
dx.
dx.
J
4x + 3
17.89.
dx.
11M- j |
* 3x3 +2 |
Vx:2+x + l | |
17.93. j |
x V6+x —x2 dx. |
,7-95- J |
' x3+5x2-3x + 4 |
Vx2 + X +1 | |
,7.97. j |
" x3 +4x2 —6x + 3 , .____dx. |
V 5 +6x-x2 | |
17.99. |(2x-5) V2 + 3x-x2 | |
17.101. J |
r x5 dx |
1 V 2x2 + 3 | |
17.103. j |
r dx |
1 x Vl0x—x2 | |
17.105. |
r dx |
1 (*+2) V4 — .x2 | |
17.107. |
f dx |
1 x Vx2—2x—1 | |
17.109. |
f dx |
| (x + l) x/l+2x-3x2 |
dx.
17.96.
\
17.92. J x2\Ux-x2 dx. ~4 dx
2 +4 5x2-2x + 10
/3x2 — 5x + 8
17.98. J x \/8 +x —x2 dx.
17.100. V |
r x3 dx |
\j2x2 +3 | |
17.102. J |
r X4 dx |
1 \/3+2x | |
17.104. j |
j* dx |
(x + l) Vx2 — 1 | |
17.106. |
r dx |
1 * Vx2+x— 1 | |
17.108. |
dx |
| (2x-l)Vx2-l | |
17.110. |
f rfx |
I (3 —2x) n/a-2_4x + 3 |
17.111- j |
dx |
17.112. j |
dx |
Xy/X2+X + l |
xjx2-l | ||
j |
dx |
,7,14. j |
dx |
(a-x)s/a2~x2 ' |
(x—2) J x2—6x + l | ||
<1.115. j |
r dx |
17.116. |
1* dx |
1 x2^A-x2 |
| (x-irVl0x-x2 | ||
17.117. J |
r dx |
17.118. |
f dx |
1 *V*2+i |
1 x3yj2x2+2x + l | ||
17.119. |
f dx |
17.120. |
f d* |
1 (,x-\y yj2-2x2 |
) * \/l-4x+x2 | ||
17.121. |
f dx |
17.122. |
f dx |
1 *Vl+*2 |
1 X* s/3—2x+x2 | ||
17.123. |
r dx | ||
| (x-2fVl-4x+x2 |