Graficki Prikaz Sistema Jednacina 2
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СИСТЕМ ОД ДВЕ ЛИНЕАРНЕ ЈЕДНАЧИНЕ СА ДВЕ НЕПОЗНАТЕ
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Graficki Prikaz Sistema Jednacina
Transcript of Graficki Prikaz Sistema Jednacina 2
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x y
x + by + c = 0
, b, c , b 0 ( 0 b 0).3x + 2y 1 = 0, x + y 2 = 0
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x + by + c = 0
(x0, y0) x x0 y y0 .
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x + by + c = 0, 0 b 0, , x + by + c = 0, 0 b 0, .
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30 . ? x , y .O .y = x + 30y = 3x
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30 . ? x , y .O .y = x + 30y = 3x
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x y
1x + b1y = c1 2x + b2y = c2,
1, b1, c1, 2, b2, c2 .
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x y (x0, y0) .
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1x + b1y = c1 2x + b2y = c2
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1x + b1y = c1 2x + b2y = c2 1x + b1y = c1 2x + b2y = c2.
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? 3x y = 42x + y = 6.
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3x y = 42x + y = 6.
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, .
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x + y = 1 x + y = 5.
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x + y = 1 x + y = 5.
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, .
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x y = 22x 2y = 4.
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x y = 22x 2y = 4
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, .
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, . , . , .
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KRAJ