Comment on Ask HN: What is -2^2?Comments−hucker15yI've always been taught that (-2)^2 = 4, while -2^2 = -4. This has stayed true all through college calculus, but I can't prove it.
Comments
I've always been taught that (-2)^2 = 4, while -2^2 = -4. This has stayed true all through college calculus, but I can't prove it.