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Number of 3×3 symmetric matrices with entries from {1, α, β} such that sum of each columns are 0, is
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1 year ago
Number of 3×3 symmetric matrices with entries from {1, α, β} such that sum of each columns are 0, is
![Find A if 3A-2B+C=0 where B=[3 4, 1 0] and C=[2 3, 1 2].](http://i.ytimg.com/vi/nwfHx8DJgzw/mqdefault.jpg "Find A if 3A-2B+C=0 where B=[3 4, 1 0] and C=[2 3, 1 2].")
