JEE Main 202120 Jul, Evening shiftMathematicsMediumMatrices and Determinants245× since 2002Let A={aij}A = \{ {a_{ij}}\}A={aij} be a 3 ×\times× 3 matrix, where aij={(−1)j−iifi<j,2ifi=j,(−1)i+jifi>j{a_{ij}} = \left\{ {\matrix{ {{{( - 1)}^{j - i}}} & {if} & {i < j,} \cr 2 & {if} & {i = j,} \cr {{{( - 1)}^{i + j}}} & {if} & {i > j} \cr } } \right.aij=⎩⎨⎧(−1)j−i2(−1)i+jifififi<j,i=j,i>j then det(3Adj(2A−1))\det (3Adj(2{A^{ - 1}}))det(3Adj(2A−1)) is equal to _____________.Your answerType your answer. Integers and decimals are accepted.CheckSkip · show solution
