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> Dokaz U Vezi Vektora, dokaz u vezi vektora

vriskica
post Aug 27 2008, 10:04 AM
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Dokazite da je (a x cool.gif * (c x d) = (a * c) * (b * d) - (b * c) * (a * d).

This post has been edited by vriskica: Aug 27 2008, 10:04 AM
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vriskica
post Aug 27 2008, 10:07 AM
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umjesto smijeska je b
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vriskica
post Aug 27 2008, 10:11 AM
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uardila sam ovaj zadatk..hvala..
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Plexus
post Aug 27 2008, 10:33 AM
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koji si ti razred?
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vriskica
post Aug 27 2008, 02:11 PM
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uradila sam...
koristila sam identitete
ax(bxc)=(a*c)*b-(a*cool.gif*c
(axb)xc=(a*c)*b-(b*c)*a
ax(bxc)=[a,b,c]

(axb)*(cxd)=[a,b,cxd]=a*[bx(cxd)]=a*[(b*d)*c-(b*c)*d]=(a*c)*(b*d)-(a*d)*(b*c)
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VIP <3
post Aug 27 2008, 08:47 PM
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QUOTE(Plexus @ Aug 27 2008, 11:33 AM)
koji si ti razred?
*


I mene to zanima.


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tijana
post Aug 27 2008, 10:24 PM
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A da zasto otvara za svaki zadatak novu temu?


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vriskica
post Aug 28 2008, 12:09 PM
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3 sam...a to sam malo privlacila vasu paznju vidim ne javlja te se..pozdrav,,,
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LoshMeeBre
post Aug 28 2008, 12:40 PM
Post #9


Neko mudo


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Pa ono, kao.. Raspust, zar ne ohmy.gif


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vriskica
post Aug 28 2008, 12:49 PM
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pa dosadno ..pa ne znam sta da radim..pa ja uzela da malo vjezbam...
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maca
post Aug 28 2008, 02:11 PM
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QUOTE(vriskica @ Aug 28 2008, 01:49 PM)
pa dosadno ..pa ne znam sta da radim..pa ja uzela da malo vjezbam...
*


pa ima mnogo, mnogo, mnogo boljih stvari da se radi XD.gif XD.gif XD.gif tongue.gif

This post has been edited by maca: Aug 28 2008, 02:11 PM
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pyost
post Aug 28 2008, 03:34 PM
Post #12


Deus Ex Makina
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To sad kazes, videcemo te posle prvog razreda biggrin.gif


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Wolfbrother
post Aug 28 2008, 03:38 PM
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QUOTE(vriskica @ Aug 28 2008, 01:49 PM)
pa dosadno ..pa ne znam sta da radim..pa ja uzela da malo vjezbam...
*


HA! Ne svidjaju mi se tvoji zadaci. tongue.gif


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maca
post Aug 28 2008, 03:40 PM
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QUOTE(Wolfbrother @ Aug 28 2008, 04:38 PM)
HA! Ne svidjaju mi se tvoji zadaci. tongue.gif
*


to je za Wolfbrothera suvise lako XD.gif
@pyost: tongue.gif tongue.gif tongue.gif
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Wolfbrother
post Aug 28 2008, 03:41 PM
Post #15





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Uglavnom su neka krljacina, a ja i ne volim vektore i tako to. Kompleksni su zakon, al nejednakosti su nejednakosti. tongue.gif


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