曲线C为正向圆周
A. 0
B. 
C. 
D. 
曲线C为正向圆周
A. 0
B. 
C. 
D. 
曲线C为正向圆周|z-1|=3, (int )_(c)^3dfrac (3)(2)dz=|z-1|=3, (int )_(c)^3dfrac (3)(2)dz=
曲线 C 为正向圆周 |z-1|=3,int_(C) (1)/(z^3(z-2)^2) , dz=A. $\frac{3}{8}\pi i$B. $\frac{
计算(int )_(c)_(c)dfrac (cos z)((z-dfrac {1)(2))(z-1)}dz,其中(int )_(c)_(c)dfrac (co
设C为正向圆周|z|=2, 则下列积分值不为0的是( )A.int dfrac (z)(z-1)dxB.int dfrac (z)(z-1)dxC.
5.[单选题]设C为正向圆周|z|=2,则oint_(c)(cos z)/((z-1)^2)dz等于()A. (A)-sin1;B. (B)0;C. (C)co
设C:|z-2|=5为正向圆周,则int dfrac (2{z)^3+3(z)^2+2z+1}(z)dz=()A、2πіB、πі; C、i;D、0;设C:|z-
15、计算积分oint_(C)(1)/((z-1)^3)(z-2)^(4(z-4))dz(曲线C:|z|=3为正向圆周).解:奇点2,1,4,∞(1分)oint
3.6 计算 (int )_(c)dfrac (1)({z)^2-z}dz, 其中C为圆周 |z|=2.
设 C 为正向圆周 |z|=2,则 int_(C) (z+e^z)/((z+1)^4) dz = ( )A. $\frac{\pi i}{3e}$B. $\fr
设mathbb(C)为正向圆周|z|=1,则int_(mathbb{C)} z , dz = ( ).A. $6\pi i$;B. $4\pi i$;C. $2