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![[Post New]](/templates/default/images/icon_minipost_new.gif) 11 May 2007 22:57:27 IST
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find X and Y, if 2X+3Y=[2 3] and 3X+2Y=[2 -2] [4 0] [-1 5]
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12 May 2007 00:07:04 IST
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2X + 3Y= 2 3 ..................1 X2
4 0
3X+2Y = 2 -2......................2X3
-1 5
4X+6Y= 4 6 ..................4
8 0
9X+ 6= 6 -6 ..................5
-3 15
SUBTRACT 5 FROM 4.
jUST SOLVE LIKE LINEAR EQN
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12 May 2007 22:42:39 IST
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let
2X+3Y=[2 3] be A .........and 3X+2Y=[2 -2].............B [4 0] [-1 5]
Now................ A- B = Y-X..................
A+B / 5 = X+Y...............
nOW................AGAIN add ..........X+Y + Y-X = 2Y...
aND SIMILRLY ...................GET ................... X.....
RATE ME..................PLS...........................
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