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  LiveWire / Teen Forums / School & Homework Connection / Viewing Topic

Exponents and Such
Replies: 3Last Post Oct. 15 11:48pm by blufindr
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( KRNsoccerplayer24 )


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Why is it that (-v^-2)^2 is v^-4 and not -v^-4

11:34 pm on Oct. 15, 2008 | Joined Oct. 2004 | 355 Days Active
Join to learn more about KRNsoccerplayer24 Michigan, United States | Straight Male | 1333 Posts | 4904 Points
greatescape11


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double negatives are positive


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11:35 pm on Oct. 15, 2008 | Joined July 2007 | 342 Days Active
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Rastafarian


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- x - = +

Quote: from greatescape11 at 11:35 pm on Oct. 15, 2008


double negatives are positive

But double negatives aren't not grammatically incorrect.

Post edited at 11:36 pm on Oct. 15, 2008 by Rastafarian

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11:35 pm on Oct. 15, 2008 | Joined Sep. 2005 | 801 Days Active
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blufindr


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I assume you meant ((-v)^-2)^2
((-v)^-2)^2 = (1/(-v^2))^2
Since (-v)^2 = v^2
(1/(-v^2))^2 = (1/v^2)^2 = (v^-2)^2 = v^(-2*2) = v^(-4)

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11:48 pm on Oct. 15, 2008 | Joined April 2008 | 167 Days Active
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