Oblicz metodą przeciwnych wspólczynnikow:
2x-3y=4
6x+4y=1
Dla jakiego m uklad jest sprzeczny
6mx+y=1
3x+2y=6
1.
2x-3y=4 / *4
6x+4y=1 / *3
8x-12y=16
18x+12y=3
+___________
26x=19
26
x=-------
19
x= -------
14
2----- - 3y=4
24
-3y= ----- / : (-3)
8
y= ------
2.
m=1, 2, 3, 4, 5, 6, 7, 8, 9, 10 itd.
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1.
2x-3y=4 / *4
6x+4y=1 / *3
8x-12y=16
18x+12y=3
+___________
26x=19
26
x=-------
19
2x-3y=4
26
x= -------
19
14
2----- - 3y=4
19
26
x=-------
19
24
-3y= ----- / : (-3)
19
26
x=-------
19
8
y= ------
19
26
x=-------
19
2.
6mx+y=1
3x+2y=6
m=1, 2, 3, 4, 5, 6, 7, 8, 9, 10 itd.