CUET MathematicsAlgebra > Easycore(A), (B) and (D) only(A), (B) and (C) only(A), (B), (C) and (D)(B), (C) and (D) only✅ Correct Option: 1Related questions:3 June Shift 2If AAA is a square matrix such that A2=AA^2 = AA2=A and III is the identity matrix of the same order as AAA, then (I+2A)2−5A(I + 2A)^2 - 5A(I+2A)2−5A is equal to29 May Shift 2A=[1/3202x−3]A = \begin{bmatrix} 1/3 & 2 \\ 0 & 2x - 3 \end{bmatrix}A=[1/3022x−3] & B=[360−1]B = \begin{bmatrix} 3 & 6 \\ 0 & -1 \end{bmatrix}B=[306−1] If AB=IAB = IAB=I (Where I is an identity matrix of order 2) , then value of x is13 May Shift 1If A=[aij]3×3A = [a_{ij}]_{3×3}A=[aij]3×3 where aij={(−1)i+j−1,i=j(−1)i+j,i≠ja_{ij} = \begin{cases} (-1)^{i+j} - 1, & i = j \\ (-1)^{i+j}, & i \neq j \end{cases}aij={(−1)i+j−1,(−1)i+j,i=ji=j then the value of A+ATA + A^TA+AT is: