If 3A=⎡⎢⎣−1−2−221−2x−2y⎤⎥⎦T such that AAT=I, the – InterviewSolution

1.	If 3A=⎡⎢⎣−1−2−221−2x−2y⎤⎥⎦T such that AAT=I, then which of the following is/are correct
Answer» If $3 A = {⎡ ⎢ ⎣ \begin{matrix} - 1 & - 2 & - 2 2 & 1 & - 2 x & - 2 & y \end{matrix} ⎤ ⎥ ⎦}^{T}$ such that $A A^{T} = I$ , then which of the following is/are correct

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