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Question numbers 1 to 20 carry 1 mark each.
Question numbers 1 to 10 are multiple choice type questions. Select the correct option.
1. If A is a square matrix of order 3 and |A| = 5, then the value of |2A'| is
(A) – 10
(C) – 40
2. If A is a square matrix such that A2 = A, then (I – A)3 + A is equal to
(C) I – A
(D) I + A
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