Question

Subtract the sum of (3/5+1/5 i) and (4/5-2/5 i) from (9/5-1/5 i)

Answer 1

The answer is -2/5.

(3/5+1/5)+(4/5-2/5)-(9/5-1/5)=

(4/5+2/5)-8/5=

6/5-8/5=

-2/5.