JEE Main 20209 Jan, Morning shiftMathematicsMediumMatrices and Determinants245× since 2002If the matrices A = [1121341−13]\left[ {\matrix{ 1 & 1 & 2 \cr 1 & 3 & 4 \cr 1 & { - 1} & 3 \cr } } \right]11113−1243, B = adjA and C = 3A, then ∣adjB∣∣C∣{{\left| {adjB} \right|} \over {\left| C \right|}}∣C∣∣adjB∣ is equal to :AOption A. 8BOption B. 2COption C. 72DOption D. 16CheckSkip · show solution
