Объяснение:
z1+z2=-2+3i+4+7i=2+10i
z1-z2=-2+3i-4-7i=-6-4i
z1*z2=(-2+3i)*(4+7i)=-8-14i+11i+21i^2=-8-3i+21i^2
z1/z2=(-2+3i)/(4+7i)
Объяснение:
z1+z2=-2+3i+4+7i=2+10i
z1-z2=-2+3i-4-7i=-6-4i
z1*z2=(-2+3i)*(4+7i)=-8-14i+11i+21i^2=-8-3i+21i^2
z1/z2=(-2+3i)/(4+7i)