Mathcels coping
No.11378069 ViewReplyOriginalReport
Quoted By: >>11378107 >>11379021 >>11379107 >>11379108
>-1 = i^2 = sqrt(-1)*sqrt(-1)
>-1 = sqrt(-1 * -1)
>-1 = sqrt(1)
>-1 = 1
>-1 = sqrt(-1 * -1)
>-1 = sqrt(1)
>-1 = 1
