(i^11) + ((7 - (2 * i)) / (2 + i))

i^11+(7-2i)/(2+i)=i+(7-2i)/(2+i)=(2+i+7-2i)/(2+i)=(9-i)/(2-i)=(9-i)(2-i)/((2-i)(2-i))==(18-2i-9i-1)(4+1)=(17-11i)/5.