Answer:
4
Step-by-step explanation:
This expression is a difference of squares.
(√3 + i)(√3 - i) = (√3)²-(i)², which is
3 - (-1)
= 3 + 1
= 4
Answer:
Step-by-step explanation:
Answer: 1.95$.
19.50 x .9 = 17.55
19.50 - 17.55 = 1.95
Therefore the answer is indeed 1.95$.