January 2020 2 180 Report
Calcule utilizando escalonamento
A) 2x+2y+3z= 5
. . X+y-z=3
. . 3x+4y+2z=0

B) x+3y-z=9
. . 2x+6y+z=11
. . 4x+9y-7z=38
.
C) . x+4y-z=0
. . . 2x-y+2z=3
. . . - 3x+2y+z=1

. D)x +y-z=0
. . X-y+z=2
. 2x+y-3z=1
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