Answer:
4
Step-by-step explanation:
You may recognize these as factors of the difference of two squares:
... a² -b² = (a+b)(a-b)
where a=1 and b=i√3.
Then the product is ...
... 1² -(i√3)² = 1 - 3i² = 1 +3 = 4
_____
Of course, i = √-1, so i² = -1.
Answer: 4
u=(1+i√3) =2 v=(1-i√3)=2 Uv = (2)(2)=4
