Consider the following in respect of matrices A and B of same order:
1. A^2 – B^2 = (A+B)(A–B)
2. (A–I)(I+A) = O ⇔ A^2 = I
where I is the identity matrix and O is the null matrix.
Which of the above is/are correct?
Mathematics
2018
NDA Mathematics 2018
NDA 2018
Options
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