Question

can you please explain ​

Answer 1

Answer:

l² = -1

l = √-1

Logically, it is not possible to have a square root of -1, cause if multiply -1 twice then minus sign will get canceled and it will not be the square root of -1. So buddy, I think there might be something wrong before this step in your sum.

Step-by-step explanation:

Hope it helps :)