Trích: Nguyên văn bởi manatplay  Anyone here upload please  | I think this is the magazine you want. Sorry if it is not true.
[RIGHT][I][B]Nguồn: MathScope.ORG[/B][/I][/RIGHT] __________________
$-1=(-1)^3=(-1)^{\frac{6}{2}}=(-1)^{6.\frac{1}{2}}=\left [(-1)^6 \right ]^{\frac{1}{2}}=1^{\frac{1}{2}}=1 $
http://www.youtube.com/watch?v=HVeQAuI3BQQ
thay đổi nội dung bởi: alibaba_cqt, 16-01-2011 lúc 07:50 AM |