jee_main_2025_03_april_evening - Matrices and Determinants Topics

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QUESTION #71 Properties of Adjoint and Inverse
Let I be the identity matrix of order 3 × 3 and for the matrix A = bmatrix λ & 2 & 3 4 & 5 & 6 7 & -1 & 2 bmatrix |A| = -1. Let B be the inverse of the matrix adj(A adj(A²)). Then |(λ B + I)| is equal to
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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