\left[ \begin{array}{ccc}{-1} & {2} & {3} \\ {2} & {5} & {6} \\ {3} & – InterviewSolution

1.	\left[ \begin{array}{ccc}{-1} & {2} & {3} \\ {2} & {5} & {6} \\ {3} & {x} & {7}\end{array}\right]is a symmetric matrix. Then find x
Answer» x= 6 will be the answer

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