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Suppose three digit numbers A28 , 3B9 an...

Suppose three digit numbers A28 , 3B9 and 52C , where A,B and C are integers between 0 and 9 are divisble by a fixed integer K, prove that the determinant `|{:(A,3,6),(8,9,C),(2,B,2):}|` is also divisble by same integer K

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ALLEN -DETERMINANTS-All Questions
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  2. If a+b+c=0 and |{:(a-x,c,b),(c,b-x,a),(b,a,c-x):}|=0 then find the val...

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