6L∫后a-F-+c 63. 2 arcsin+C a 64. _dx Va-x :-arcsin+C a 65. a-va-x+C x dx 66. 6.∫F-xdr=F-平+gar arcsin'+C 2 a 8小后-ryt=d-2rn后-+esin2+C w.Sxl-xas--jla-+c 0.∫rG-d=2r-n-r+g arcsin 小k-F7+aha-G-C x a (九)含有√±r2+bx+c(a>0)的积分 d i-LIn2ax+b+2ayax+bx+c+C 73.ar+bx+c val61. 2 2 d x x a x = 2 2 a x C 62. 2 2 3 d ( ) x x a x = 2 2 1 C a x 63. 2 2 2 d x x a x = 2 2 2 arcsin 2 2 x a x a x C a 64. 2 2 2 3 d ( ) x x a x = 2 2 arcsin x x C a x a 65. 2 2 dx x a x = 2 2 1 ln a a x C a x 66. 2 2 2 dx x a x = 2 2 2 a x C a x 67. 2 2 a x x d = 2 2 2 arcsin 2 2 x a x a x C a 68. 2 2 3 ( ) d a x x = 2 2 2 2 4 3 (5 2 ) arcsin 8 8 x x a x a x a C a 69. 2 2 x a x x d = 1 2 2 3 ( ) 3 a x C 70. 2 2 2 x a x x d = 4 2 2 2 2 (2 ) arcsin 8 8 x a x x a a x C a 71. 2 2 d a x x x = 2 2 2 2 ln a a x a x a C x 72. 2 2 2 d a x x x = 2 2 arcsin a x x C x a (九)含有 2 ax bx c ( 0) a 的积分 73. 2 dx ax bx c = 1 2 ln 2 2 ax b a ax bx c C a