UPSC NDA I 2015 Mathematics Solved Paper
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Question : 17 of 120
Marks:
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Consider the following in respect of two non-singular matrices A and B of same order :
1. det (A + B) = det A + det B
2. ( A + B ) − 1 = A − 1 + B − 1
Which of the above is/are correct?
1. det (A + B) = det A + det B
Which of the above is/are correct?
[NDA I 2015]
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