Determinants Test

Result

Determinants Test - 12

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Question 1
1 / -0

For a square matrix A, |A| is read as -

A
modulus of A

B
magnitude of A.

C
determinant of A

D
none of the above

Solution

Given for a square A.

|A| is read as determinant of A, not modulus of A, not magnitude of A.
Question 2
1 / -0

If we interchange any two rows or two columns of a square matrix. Then sign of the determinant

A
doesn't change

B
changes

C
both (A) and (B)

D
none of the above

Solution

According to the property of determinant.

If we interchange any two rows or two columns of a square matrix then sign of the determinant changes.