Express the system of linear equations in the form AX = b, where A is a 3
Question:
Express the system of linear equations
in the form AX = b, where A is a 3 × 3 matrix and X, b are appropriate column matrices.
(a) Find adj A, |A| and A–1 and hence solve the system of equations.
(b) Find a matrix Y which satisfies the equation
(c) Find a matrix Z which satisfies the equation
where I3 is the 3 × 3 identity matrix.
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In matrix form the equations become ...View the full answer
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