Answer:
separate and square both the top and bottom
the square of square root three is just 3 and the square of 3 (the bottom of the fraction) is 9
so now you have 3(i^2) /9
you can simplify this by three and then i^2 is -1
you now have -1/3 and thats the final answer
Wah..I need to ask my bro to answer this.. Brb
11:12 is the answer to your question
The value of the Blur radius is zero
Then no shadow will appear.