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![[Post New]](/templates/default/images/icon_minipost_new.gif) 14 Jan 2008 19:06:13 IST
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-1*-1=+1 coz double negative is positive.
u shud understand this practically.
consider the statement "it rains"
its negative statement is "it does not rain"
when the second statement is made negative again, we get "it is false that it does not rain" which is actually "it rains".
similarly -1*-1=+1
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1st year,
B.Tech ( CSE ) ,
NIT-Trichy.
"There are no accidents in my philosophy. Every effect must have its cause. The past is the cause of the present, and the present will be the cause of the future. All these are links in the endless chain stretching from the finite to the infinite." - Abraham Lincoln |
this reply: 5 points
(with 1 
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