JEE Main 20178 Apr, Morning shiftMathematicsMediumMatrices and Determinants245× since 2002Let A be any 3 ×\times× 3 invertible matrix. Then which one of the following is not always true ?AOption A. adj (A) = ∣\left| \right.∣A∣\left| \right.∣.A^−-−1BOption B. adj (adj(A)) = ∣\left| \right.∣A∣\left| \right.∣.ACOption C. adj (adj(A)) = ∣\left| \right.∣A∣\left| \right.∣².(adj(A))^−-−1DOption D. adj (adj(A)) = ∣ \left| \, \right.∣A ∣ \left| \, \right.∣.(adj(A))^−-−1CheckSkip · show solution
