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If A=|{:(,5a,-b),(,3,2):}| and A adj A=A...

If `A=|{:(,5a,-b),(,3,2):}|` and A adj `A=A A^(T)`, then 5a+b is equal to

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If A=[(5a,-b),(3,2)] and A adj A=A A^(T) , then 5a+b is equal to

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