2X1 36. oda+x+F++C + 37. -In a 38. -+C a'x jF+a-F++x+F+a)+C 0.∫G+ac=营2x+5iF+口+ax+F++c 4.xods-y+c 2.∫r+ad=营r+aF+-ginx+r+a)+c a.c (七)含有Vx2-a2(a>0)的积分 s高高c-a+-d+c dx .∫ad=-+C35. 2 2 2 d x x x a = 2 2 2 2 2 ln( ) 2 2 x a x a x x a C 36. 2 2 2 3 d ( ) x x x a = 2 2 2 2 ln( ) x x x a C x a 37. 2 2 dx x x a = 2 2 1 ln x a a C a x 38. 2 2 2 dx x x a = 2 2 2 x a C a x 39. 2 2 x a x d = 2 2 2 2 2 ln( ) 2 2 x a x a x x a C 40. 2 2 3 ( ) d x a x = 2 2 2 2 4 2 2 3 (2 5 ) ln( ) 8 8 x x a x a a x x a C 41. 2 2 x x a x d = 1 2 2 3 ( ) 3 x a C 42. 2 2 2 x x a x d = 4 2 2 2 2 2 2 (2 ) ln( ) 8 8 x a x a x a x x a C 43. 2 2 d x a x x = 2 2 2 2 ln x a a x a a C x 44. 2 2 2 d x a x x = 2 2 2 2 ln( ) x a x x a C x (七)含有 2 2 x a ( 0) a 的积分 45. 2 2 dx x a = 1 arch x x C x a = 2 2 ln x x a C 46. 2 2 3 d ( ) x x a = 2 2 2 x C a x a 47. 2 2 d x x x a = 2 2 x a C