If X is a matrix of order 3×3, Y is a matrix of order 2×3 and Z is a matrix of order 3×2, then which of the following are correct?
1. (ZY)X is a square matrix having 9 entries.
2. Y(XZ) is a square matrix having 4 entries.
3. X(YZ) is not defined.
Mathematics
2022
NDA Mathematics 2022
NDA 2022
Options
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