2.1794494717703i squared

So, we can write this as (2.1794494717703i)^2, or as (2.1794494717703)^2 * i^2. Since i is defined as sqrt(-1), i^2 is -1. Hence, we have -(2.1794494717703)^2. 2.1794494717703^2 is 4.7499999999998397. 

 

Therefore, 4.7499999999998397 is the answer.