4- Use matrix inverse to solve the following system of equations: 4x + 6y + 2z = 28 2x - 2y +4z = 2 x- 2y +z = -3 B- If A = 3 and the identity matrix I = ! 91. find the values of x that satisfy the %3D following equation xI- A| = 0, note that x is a scalar quantity.

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Author:Robert L. Boylestad
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Q.1/ (7+7) Marks
A- Use matrix inverse to solve the following system of equations:
4x + 6y + 2z = 28
2x – 2y + 4z = 2
x- 2y +z = -3
B- If A =
following equation xI- A| = 0, note that x is a scalar quantity.
and the identity matrix I = 9, find the values of x that satisfy the
Transcribed Image Text:Q.1/ (7+7) Marks A- Use matrix inverse to solve the following system of equations: 4x + 6y + 2z = 28 2x – 2y + 4z = 2 x- 2y +z = -3 B- If A = following equation xI- A| = 0, note that x is a scalar quantity. and the identity matrix I = 9, find the values of x that satisfy the
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