Let A and B be two 3 × 3 matrices such that AB = I and |A| = 1/8. Then |adj (B adj(2A))| is equal to

Matrices and Determinants: JEE Main 2022 Mathematics question

JEE Main 2022 · 27 Jun, Evening shift · Q4530

JEE Main 202227 Jun, Evening shiftMathematicsEasyMatrices and Determinants245× since 2002

Let A and B be two 3

\times

3 matrices such that

AB = I

and

|A| = {1 \over 8}

. Then

|adj\,(B\,adj(2A))|

is equal to

JEE Main 2022 · 27 Jun, Evening shift · Q4530

JEE Main 202227 Jun, Evening shiftMathematicsEasyMatrices and Determinants245× since 2002

Let A and B be two 3

\times

3 matrices such that

AB = I

and

|A| = {1 \over 8}

. Then

|adj\,(B\,adj(2A))|

is equal to