3. Let A 1 0 1 0 2 0 0 0 2 0 0 2 0 0-2 2 1 and b = 11 2 3 14 (a) Factor A into a product QR, where Q is an orthogonal matrix and R is upper triangular. (b) Solve linear system Ax = b for the least squares solution using Q and R.

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Q: Q3:Solve Matrices by using (Gramer Rule ) 2X + 4Y - 2Z – 2 = 0 X + Z-3 =0 2X + Y- Z -1 = 0 Techn

A: Solve by crammer rule

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A: Steps and explanations are as follows:In case of any doubt, please let me know. Thank you.

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