Answer :
Answer:
Step-by-step explanation:
Square of (i-2)=(i-2)^2
=i^2-4i+4
Since i^2=-1
So
=i^2-4i+4
=-1-4i+4
=3-4i
Answer is 3-4i( option c)
Answer:
Step-by-step explanation:
Square of (i-2)=(i-2)^2
=i^2-4i+4
Since i^2=-1
So
=i^2-4i+4
=-1-4i+4
=3-4i
Answer is 3-4i( option c)