三、不定积分的基本公式 1)∫dx=kx+C(是常数 p (2)|x" +C(μ≠-1) 儿+1 (3) Inx+c: Idx= arctan+c, (5) dx= arcsinx+C 1-y 2 (6)「 cos xdx=sinx+C; Economic-mathematics 19-13 Wednesday, February 24, 2021Economic-mathematics 19- 13 Wednesday, February 24, 2021 (1)  kdx = kx + C (k 是常数); ( 1); 1 (2) 1 +   −  + = +   C x x dx (3) ln ;  = x + C x dx = +  dx x 2 1 1 (4) arctan x + C; = −  dx x 2 1 1 (5) arcsin x + C; (6)  cos xdx = sin x + C; 三、 不定积分的基本公式