*log(a的-1次方)
举一反三
- 已知(-1/3xyz)的平方*M=1/3x的2n2的次方y的n3*z的4次方/5x的2n-1次
- a分之1+b分之1+c分之1等与a+b+c分之1求证a的2n-1次方之1+b的2n-1次方之1+c的2n-1次方分之1等于a的2n-1次
- 1.(3m-2n)三次方+(3m+2n)三次方2.x六次方(x方-y方)+y六次方(y方-x方)3.8(x+y)3+1
- (1)12xy的二次方-3x的三次方(2)16(x+y)的2次方-9(x-y)的2次方(3)2x的n+2方-8x的n次方
- 求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4