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(Solved): Solve by using the inverse of the coefficient matrix x 2y 3z=b_(1) 2x 5y 5z=b_(z) 3x 5y 8z=b_(3) Gi ...



Solve by using the inverse of the coefficient matrix

x 2y 3z=b_(1) 2x 5y 5z=b_(z) 3x 5y 8z=b_(3)

Given

|[a,b,c],[d,e,f],[g,h,i]|=-9

Find a.

|3A|

b.

|A^(-1)|

e)

|[a,g,d],[b,h,e],[c,i,f]|

c.

|3A^(-1)|

d.

|(3A)^(-1)|


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