JEE Main 202330 Jan, Evening shiftMathematicsMediumMatrices and Determinants245× since 2002If PPP is a 3×33 \times 33×3 real matrix such that PT=aP+(a−1)IP^T=a P+(a-1) IPT=aP+(a−1)I, where a>1a>1a>1, then :AOption A. ∣AdjP∣=1|A d j P|=1∣AdjP∣=1BOption B. ∣AdjP∣>1|A d j P|>1∣AdjP∣>1COption C. ∣AdjP∣=12|A d j P|=\frac{1}{2}∣AdjP∣=21DOption D. PPP is a singular matrixCheckSkip · show solution
