For N=[[0,3],[0,0]], find N².
A[[0,6],[0,0]]
B[[0,0],[0,0]]
C[[0,9],[0,0]]
D[[1,0],[0,1]]
Answer & Solution
Correct answer: B. [[0,0],[0,0]]
All four row-column products are zero even though N itself is non-zero.
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