1.1计算下列各式.-|||-(1) (1+i)-(3-2i) ;-|||-(2) ((a-ib))^3 ;-|||-(3) dfrac (i)((i-1)(i
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
已知复数=dfrac (2-2i)(1+sqrt {3)i},则=dfrac (2-2i)(1+sqrt {3)i}=dfrac (2-2i)(1+sqrt {
A . 0 B . =-dfrac (1-5i)(2+3i) C . =-dfrac (1-5i)(2+3i)D . =-dfrac (1-5i)(2+3i)设
dfrac ((x+1)+i(y-3))(5+3i)=1+i ,则实部dfrac ((x+1)+i(y-3))(5+3i)=1+i,虚部 dfrac ((x+1
_(0)=2;-|||-(3) dfrac (1)({2)^2} , _(0)=-1;-|||-(4) dfrac (1)(4-3z), _(0)=1+i;-|
1.求下列复数z的实部与虚部、共轭复数、模与辐角:-|||-(1) 1/(3+2i);-|||-(2) dfrac (1)(i)-dfrac (3i)(1-i)
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[
7.计算下列复数的值:-|||-(1) _(1)=((dfrac {-1+sqrt {3)i}(2))}^6;
1.3 解方程组 ) 2(z)_(1)-(z)_(2)=i (1+i)(z)_(1)+i(z)_(2)=4-3i .