Let {A}=\{{a}_{{ij}}\} be a 3 \\times3 matrix, wherea_{i j}=\\begin{array}{c}(-1)^{j-1\end{array} ,\text{if } i j{ ,} then {\det}(3 {Adj}(2 {A}^{-1})) is equal to ______. [20 Jul 2021 Shift 2]

JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Mathematics

Question : 81 of 90

Marks: +1, -0

Let A={aij} be a 3×3 matrix, whereaij={

then det(3Adj(2A−1)) is equal to ______.

[20 Jul 2021 Shift 2]

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