Question

Asked Nov 19, 2019

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Solve for (x,y,z)for the following three equations using direct matrix inversion method

(1). 2x+6y-z=6

(2). 4x-3y+5z=-5

(3). 6x+9y-2z=11

Step 1

The given system of equation can be written in matrix form as,

Step 2

Now

Step 3

Now we find the cofactors of ...

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