Question

What is the square root of -1?

Answer 1

i

Explanation:

The square root of minus one √(−1) is the "unit" Imaginary Number, the equivalent of 1 for Real Numbers. In mathematics the symbol for √(−1) is i for imaginary. ... Well i can! But in electronics they use j (because "i" already means current, and the next letter after i is j).

Answer 2

the answer to this problem is “i”