defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Determinants Evaluation of Determinants
The value of \(\left| {\begin{array}{*{20}{c}} 1&1&1\\ 1&{1 + {\rm{a}}}&1\\ {1 + {\rm{b}}}&1&1 \end{array}} \right|\) is
1
0
2
-ab
3
ab
4
None of the above