

MCQOPTIONS
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1. |
A is an (m × n) matrix with m > n and ‘I’ is Identity matrix. Let A1 = (AT A)-1 AT, Then which of the following statement is false? |
A. | AA1A = A |
B. | (AA1)2 = AA1 |
C. | AA1 = I |
D. | AA1A = A1 |
Answer» E. | |