- #1
kay
- 60
- 2
We know that i^3 is -i .
But I am getting confused, because I thought that i can be written as √(-1) and i^3 = √(-1) × √(-1) × √(-1) = √(-1 × -1 × -1) = √( (-1)^2 × -1) = √(1× -1) = √(-1) = i
( and not -i ).
Please help.
Sorry I couldn't use superscript because I was using my phone.
But I am getting confused, because I thought that i can be written as √(-1) and i^3 = √(-1) × √(-1) × √(-1) = √(-1 × -1 × -1) = √( (-1)^2 × -1) = √(1× -1) = √(-1) = i
( and not -i ).
Please help.
Sorry I couldn't use superscript because I was using my phone.