JEE Main 2016Session, Shift 1MathematicsEasyMatrices and Determinants245× since 2002If A=[5a−b32]A = \left[ {\matrix{ {5a} & { - b} \cr 3 & 2 \cr } } \right]A=[5a3−b2] and AAA adj A=AA=AA=A AT,{A^T},AT, then 5a+b5a+b5a+b is equal to :AOption A. 444BOption B. 131313COption C. −1-1−1DOption D. 555CheckSkip · show solution