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Solve the following system of equations by matrix method: 5x + 3y + z = 16 2x + y + 3z = 19 X + 2y + 4z = 25

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Solve the following system of equations by matrix method:

5x + 3y + z = 16

2x + y + 3z = 19

X + 2y + 4z = 25

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1 Answer

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Best answer

The given system can be written in matrix form as:

So, the above system has a unique solution, given by

X = A – 1B

Cofactors of A are:

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