Consider the following system of equations. 2x1 + x2+x3 = b - x13x2 + 4x3 =...

 

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Consider the following system of equations. 2x1 + x2+x3 = b - x13x2 + 4x3 = b -x1 + x3 = b3 (a) Write the system of equations as a matrix equation. (b) Solve the system of equations by using the inverse of the coefficient matrix. (1) where b = 4, b = 9, b3=-5 (x1, x2, x3)=( (ii) where b 3, b-4, by=0 (x1, x2, x3) Consider the following system of equations. 2x1 + x2+x3 = b - x13x2 + 4x3 = b -x1 + x3 = b3 (a) Write the system of equations as a matrix equation. (b) Solve the system of equations by using the inverse of the coefficient matrix. (1) where b = 4, b = 9, b3=-5 (x1, x2, x3)=( (ii) where b 3, b-4, by=0 (x1, x2, x3)