Q. 105.0( 1 Vote )
Apply R2 → R2 – 3R1 and R3 → R3 – 4R1
Apply R3 → R3 – 3R2
Now expand along R3 we will get 1.
Taking common –1 from each row
D = –D
⇒ D = 0
The matrix is skew symmetric matrix.
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