Question

resolvar os sistemas de cramer

a)2x+y+z=0
-x+2y+2z=3
-2x+3y+5z=7

Answer 1

Oi gean

detA = 10
detAx = -6
detAy = 1
detAz = 11

x = detAx/detA = -6/10
y = detAy/detA = 1/10
z = detAz/detA = 11/10

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