(x1 - 2x2- X3 = 2 a3 = -4, Findb3 2a1 2a2 2a3 bị a a1 a2 az b2 a2 %3D et b b2 b3 IC3 + 3b3 C2+3b2 C +3. C3 C2
(x1 - 2x2- X3 = 2 a3 = -4, Findb3 2a1 2a2 2a3 bị a a1 a2 az b2 a2 %3D et b b2 b3 IC3 + 3b3 C2+3b2 C +3. C3 C2
Chapter7: Systems Of Equations And Inequalities
Section7.7: Solving Systems With Inverses
Problem 4TI: Solve the system using the inverse of the coefficient matrix. 2x17y+11z=0x+11y7z=83y2z=2
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Q1 b only with steps
Transcribed Image Text:atrix to solve the lineår system: X
Answer the following questions:
Q-1:
a)
Use the inverse of a matrix to solve the linear system:
X1-X2-X3 = 5
Хз —
X2 + X3
= -1 .
.
(x1-2x2 x3 = 2
2a3
2a1
bị
C2 +3b2 C + 3b,
2a2
ja1
a2
= -4. Find b3
Ic3 +3b3
- az
b)
Let b, b2 b3
C3
C2
LEGO
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