16.50. 7arctg
x —3
16.51. 7 = arctg(3x-l).
16.54. I = \n\x2 -2x + 5\ +~arctg
16.55. 7 = lnjx2+2x-f-10| —4arctg
jc — 1
2
x + l x *“ 4
16.56. 7 = ln|x2 — 8x4-25)-4arctg —.
16.57. / = |ln|x2-f4x + 8|“arctg
x + 2
16.58. 7 = |ln|x2 —3| +^/3 ln
16.59. 7 = |ln|x2+3|+2x/3arctg-y=.
\/3
16.60. 7 = 31n|x2-i-4;c + 13| —4arctg
x—2
16.61. /=51n|x2—4x+20| —óarctg —•
16.62. /=2 ln | x2 - 6x+101 + 7 arctg (x - 3).
16.63. /=§*—£ln|2+3*|. 16.64. J = ±
16.65. I = 2x -1 ln | x2+6x + 251 - — arctg •
—^\/60 arctg
16.66. I— —31n|*+2| -ł-2lnjjc—4| +81n|x—7|. 29 —30*+6*2
16.67. /=
3(*-2)3
+ln|^r—2|.
16.68. /=fln|x-2|+||ln|A:2+3|+^= arctg
16.69. J=| arctg x +
x—2 2 ( x'2 +1)