Mechanical Engineering > GATE 2015 SET-1 > Linear Algebra
If any two columns of a determinant are interchanged, which one of the following statements regarding the value of the determinant is CORRECT?
A
Absolute value remains unchanged but sign will change.
B
Both absolute value and sign will change.
C
Absolute value will change but sign will not change.
D
Both absolute value and sign will remain unchanged.

Correct : a

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determinant properties interchanging columns determinant GATE mechanical engineering 2015 mechanical gate sign change determinant absolute value unchanged sign changes determinant determinant sign change GATE set 1 question 16

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