Answer: Does not change the determinant.
- A Doubles the determinant value each time
- B Halves the determinant value each time
- C Negates the determinant, flipping its sign
- D Does not change the determinant
Correct answer: D. Does not change the determinant
Explanation: Adding a multiple of one row to another row does not change the value of the determinant.
Concept context
Evaluation of determinants, cofactors, adjoint, inverse of matrix, Cramer's rule and area applications. Always in board and JEE.