=-x²cos(2x)/2+xsin(2x)/2+cos(2x)/4+c. 求不定積分:∫sin(x^2)dx. 2樓:demon陌. ∫sin(x/2)dx. =2∫sin(x/2)d(x/2). =-2cos(x/2)+c.
確定! 回上一頁