spongebob456 spongebob456

18-04-2017
Mathematics

contestada

I need a full explanation on -(i^2)
I know it equals 1, but how?

Respuesta :

merrygoroundtheworld merrygoroundtheworld

18-04-2017

i^2 is negative 1, but I see you have a negative sign there. So it is -(-1), which is 1.

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