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Question
If A = `[(0,0,0,0),(0,0,0,0),(1,0,0,0),(0,1,0,0)],` then ____________.
Options
A2 = O
none of these
A2 = I
A3 = O
MCQ
Fill in the Blanks
Solution
If A = `[(0,0,0,0),(0,0,0,0),(1,0,0,0),(0,1,0,0)],` then A2 = O.
Explanation:
A square matrix's product with itself is always a zero matrix if any row or column is 0.
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