Teaching RPSC School Lecturer Mock Test Series 2024 Mathematics Determinants Application of Determinants
Let \(A = ({2 \over 1} {1\over 1}) \) and \(B = ({2 \over 0} {-5\over 1}) \). If AX + 3B=0, then the determinant of X is
1
-18
2
-6
3
6
4
18
5
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