18.求 e^1-i(pi)/(2),exp[(1+iπ)/4],3^i和(1+i)^i 的值.18.求 $e^{1-i\frac{\pi}{2}}$,exp[
1.3 解方程组 ) 2(z)_(1)-(z)_(2)=i (1+i)(z)_(1)+i(z)_(2)=4-3i .
设z=((1+i)(3-i))/((1+2i)(sqrt(2)+i)),则z的模为( )A. $\frac{2}{\sqrt{3}}$B. $\frac{2\s
1.1计算下列各式.-|||-(1) (1+i)-(3-2i) ;-|||-(2) ((a-ib))^3 ;-|||-(3) dfrac (i)((i-1)(i
1.1 计算下列各式.-|||-(1) (1+i)-(3-2i);-|||-(2) ((a-ib))^3;-|||-(3) dfrac (1)((i-1)(i-
复数=dfrac ((sqrt {3)+i)(2-2i)}((sqrt {3)-i)(2+2i)}的三角形式为( )=dfrac ((sqrt {3)+i)(2
1.9 利用复数的三角表示计算下列各式:-|||-(1) (1+i)(1-i) ;-|||-(2) (-2+3i)/(3+2i) ;-|||-(3) ((dfr
27.已知映射 omega =(z)^3, 求:-|||-1)点 _(1)=i, _(2)=1+i, _(3)=sqrt (3)+i 在w平面上的象;-|||-
z=1+i,那么z=1+iz=1+iz=1+i,那么
18.求 e^1-1(pi)/(2), exp[(1+ipi)/4], 3^i 和 (1+i)^i 的值.18.求 $e^{1-1\frac{\pi}{2}}