I think the answer is c... I think because you have to put the f, and got the other side. The two will still stay positive the v and f will be negative.
Answer:
(a+bi)×(b+ai)
=>ab+a²i+b²i+abi²
=> ab+(-1)ab+(a²+b²)i
=>(a²+b²)i
so we can say it is purely imaginary number
hope it helped!
The answer is
384 - (4/5) = 383.2
Answer:
1 point
Step-by-step explanation: