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Question

 Value of Ma [md (a), mn (md (b), a), mn (ab, md (ac))] where a = -2, b = -3, c = 4 is (CAT 1994)
  1. 2
  2. 6
  3. 8
  4. -2


Solution

The correct option is B 6

(b)

Ma [md (a), mn (md (b), a), mn (ab, md (ac))]

Ma [| - 2 |, mn ( | - 3 |, -2), mn (6, | -8 |)]

Ma [2, mn (3, -2), mn (6, 8)]

Ma[2, -2, 6] = 6

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