angela210793
  • angela210793
@Nenad :)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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angela210793
  • angela210793
See
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amistre64
  • amistre64
whew!! im sure wolfram could spit that out in like a nano second
anonymous
  • anonymous
wat a calculation !!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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nenadmatematika
  • nenadmatematika
correct!!!! just one small tip so you can save some time.....for example if you're having a test or exam the time is fixed and you want to this in the fastest possible way....try to multiply the first row with -2 , -4 and -3 at once and add to the other rows in one step...you'll save some precious moments....:D
amistre64
  • amistre64
i tend to divide off the other rows to get a -1 in the lead and then do the adding; but that can make for some scary fractions to deal with
nenadmatematika
  • nenadmatematika
if you have MATLAB on your computer I can show you how you can check the results. It'll take one minute to do it...:D
amistre64
  • amistre64
rref {{r1},{r2},{r3},{r4}} on the wolf
amistre64
  • amistre64
there r1 and such are your rows in a,b,c,d format
angela210793
  • angela210793
so tht is right :)))))))))))))))))) xD Thank you!!!!! XD i don't have matlab :/
angela210793
  • angela210793
Nenad :)
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nenadmatematika
  • nenadmatematika
hahah. that's nice :)

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