📐 Mathematics · Chapter-Wise Mock Test
~2 questions per paper · 7% Mathematics weightage
det(AB) = det(A)det(B)A⁻¹ = adj(A)/det(A)Cramer's RuleFor consistent system: rank(A) = rank(Ab)Determinant calculations using properties (row/column operations), inverse of 3×3 matrix using adjoint, solving 3×3 linear systems using Cramer's rule or row reduction, and properties of skew-symmetric/symmetric matrices appear most.
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