Complex numbers can be tricky, there are specific functions for algebraic operations with them.
First you must enable Analysis toolpack under Add-ins.
Then in C17 and C19 you can use the following
=IMDIV(IMPRODUCT(C10,C8,COMPLEX(0,-1)),C11)
=IMPRODUCT(C15,EXP(C16),IMEXP(C17))
HTH,
Francesco
Bookmarks