anonymous
  • anonymous
part b in the pic yo! although im about to get help off laplace too... so for kicks
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
anonymous
  • anonymous
determinant formula = a.d-b.c where a,b,c,d are parts in the matrix reading left to right row by row for a 2x2 matrix
anonymous
  • anonymous
hey sorry i got disconnected

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anonymous
  • anonymous
i was beginning to wonder
anonymous
  • anonymous
can you send me the retricedf again
anonymous
  • anonymous
http://www.maths.uq.edu.au/courses/MATH1050/2011/retrice.pdf
anonymous
  • anonymous
ok so do you get AX = B, so -x + 2y = 2, x - 2y = 1
anonymous
  • anonymous
yeah i can get that far
anonymous
  • anonymous
hm i guess you got disconnected again, if you make it back im still in twiddle
anonymous
  • anonymous
do you have twiddla? link
anonymous
  • anonymous
thats an idea
anonymous
  • anonymous
http://www.twiddla.com/545596

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