486 Rozwiązania i odpowiedzi
17.86. / = (x + 3) s/x2 +1. 17.87. l = (x-a) Jx2+a2.
17.88. / — ^ (2x2 — 5x + 1) ■*/x2 + 2x +2 -ł-1 In |x +1 + 7x2 + 2x + 2|.
17.89. x<—v2-l lub x>V2-l;
1 = \(2x2 +x+l) \lx2 +2x- 1 - 2 ln |jc +1 +\Ax2 + 2jc— T|
17.90. x < 1 lub x>3, I = ±(x2 +5x+24) Vx2-4x + 3 + 1l ln \x-2 + Vjc2 — 4^r + 3(
17.91. /=|(8x2-10x-1)77+7+1 + ff In \x+\ + Jx2 +x + l|.
17.92. 0<x<4, 1 = ji (3x3-2x2— 10x-60) V4x-x2 +10 arcsin-j(x-2).
17.93. -2<x<3, /=^(8x2-2x-5l) Tó+TTT2- ffarcsin j(l-2x).
17.94. I=j^(5x3-6x) J5x2+4+£~s 7Ś ln \x 7Ś + V5x2 +4|.
17.95. /=(ix2+f|x-^)V7+^l+f|ln|x+l+VP+^+T|.
17.96 /= (§x + \j) V3x2_ 5* + 8 +ff^3 ln|3jc—| + 75 x/3xł- 5* + 8|.
17.97. /= - (fx2 +jX + ^-)-J~5 + 6x — x2— 139arcsin ^77
17.98. /=(yx2 — ^ x-|j) 77+777 - y|arcsin7__77
v 33
17.99. I = (fx2 — 3jt +^-) n/2 + 3->r— x2 + i^arcsin .
n/17
17.100. / = i(z2-3)V2p7T. 17.101. i=ijx4-2x2+6)777+3.
17.102. / = (ix3 - £ x2 + jjf+}) sh+2x+x2 +11 n11 + x +-73+2x + x21.
17.103. /=-
7l0x-x2
5x
17.104. z < — 1. /=-
x + l
;x>1,/=
17.105.
-2<x<2, /=-1
17.106. x <
2 — x
/ = arcsin —p=-; x J5
x>
75-1
x —2
, / = arcsin-
x sfS'
x+l . x + l
17.107. x<— yJ2 + l, / = arcsin—x>x/2 + l, /=—arcsin—-=.
X y jL X Y 2m
1 2—x 1 . 2—x
17.108. x<-l, /=-== arcsin -; x>l, I-—j= arcsin--
73 2x—1 73 2x—1
2x
x+T
17.109. — |<x<l, /= 'arcsin
17.110. l<x<4, /=—^arcsin—-—, §<x<3, /=-7= arcsin ---
73 3 — 2x 7^ 2x-3
17.111. x#0; / = ln
x+2+27x2+x + l
1 1
17.112. x< — 1, / = arcsin — ; x>l, /=—arcsin—.
1 a+x
17.113. — a<x<a, 1=— /--
a v a — x
r- t~ 1 X + 5
■77 272(x-2)’
17.114. x<3 —272 lub x>2> +2 s]2 ■, l——— arcsin
17.115. —2<x<0 lub 0<x<2 ; / =--74-x2.
4x
1
17.116. 0<x< 1 lub 1 <x< 10 ; /=- —-- 7l0x-x2+£ln
9(x-l)
4x + 5 +3 7l0x —x2
|x 11
7x2 + l |x|
2x2 2 1+7PTI
17.117. x#0; 7=--^--iln
x + l +72x2 +2x +1
17.118. x#0; / = ——5— 72x2 +2x +1 —-jln 2x2
5 —6x
17.119. -7f<x<l lub l<x<7|; / = —-—? 73 —2x2+71n
2 2(x-l)
3 —2x—73 —2x2
1—2x-7l—4x + x'
17.120. /= - — Vl-4x+x2 + 21n
TT
+ x“
17.121. /= ^2 4,n
i-7T
+x'