Answer:
C) 0i?????????????
Step-by-step explanation:
They are the same thing why would you need to add anything?
I feel bad searching this up
Swapping rows alters the sign of the determinant:

Multiplying a single row by a scalar scales the determinant by the same amount:

Then

Step-by-step explanation:

Answer:
c & e
Step-by-step explanation:
not sure tho