Let A and B be real symmetric matrices of size n × n. Then which one of the…
GATE · 1994 · CS · Question 1 subparts
Let A and B be real symmetric matrices of size n × n. Then which one of the following is true?
- A.
AA′ = 1
- B.
A = A⁻¹
- C.
AB = BA
- D.
(AB)′ = BA
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