5.4已知复势为:(1) W(z)=(1+i)z ;(2) (z)=(1+i)ln (dfrac (z+1)(z-4)); (3) W(z)=-6iz+-|||-dfrac (24)(z) 试分析以上流动的组成,绘制流线图,并计算通过圆周 ^2+(y)^2=9 的流量,以及-|||-沿这一圆周的速度环量。

z=1+i，那么z=1+iz=1+iz=1+i，那么

1.3 解方程组 ) 2(z)_(1)-(z)_(2)=i (1+i)(z)_(1)+i(z)_(2)=4-3i .

[单选题]复数z满足(1+i)z=1-i，则|Z|=()。A.√2/2B.√2C.2D.1

求下列函数的奇点:(1)dfrac (z+1)(z({z)^2+1)}; (2)dfrac (z+1)(z({z)^2+1)}求下列函数的奇点:(1)

直线-1=dfrac (y+3)(-2)=z-4与直线-1=dfrac (y+3)(-2)=z-4的夹角为( )-1=dfrac (y+3)(-2)=z-4-1

|z|lt dfrac (1)(4)-|||-(3) (z)=dfrac ({z)^-1-a}(1-a{z)^-1} , |z|gt a-|||-(4) (z)

考题9 设i是虚数单位,z表示复数z的共轭复数.若-|||-=1+i, 则 dfrac (z)(i)+icdot overline (z)= () .-|||-

[题目]如果复数z1,z2,z3满足等式 dfrac (({z)_(2)-(z)_(1))}(({z)_(3)-(z)_(1))}=dfrac (({z)_(1

(z)=(z)^2+dfrac (1)({z)^2-1}，则其解析区域为（）(z)=(z)^2+dfrac (1)({z)^2-1}(z)=(z)^2+dfra

(z)=(z)^2+dfrac (1)({z)^2+1}，则其解析区域为( )(z)=(z)^2+dfrac (1)({z)^2+1}(z)=(z)^2+dfr