If `I_3` is the identity matrix of order 3 then `I_3^-1` is (A) 0 (B) `3I_3` (C) `I_3` (D) does not exist

If I_3 is the identily matrix of order 3, then (I_3)^(-1)=

If I_(3) is identity matrix of order 3, then I_(3)^(-1)=

If I_n is the identity matrix of order n then (I_n)^-1 (A) does not exist (B) =0 (C) =I_n (D) =nI_n

If I is unit matrix of order n, then 3I will be

If A=[(2,-1),(-1,2)] and i is the unit matrix of order 2, then A^2 is equal to (A) 4A-3I (B) 3A-4I (C) A-I (D) A+I

If B_(0)=[(-4, -3, -3),(1,0,1),(4,4,3)], B_(n)=adj(B_(n-1), AA n in N and I is an identity matrix of order 3, then B_(1)+B_(3)+B_(5)+B_(7)+B_(9) is equal to

Let A=[(0, i),(i, 0)] , where i^(2)=-1 . Let I denotes the identity matrix of order 2, then I+A+A^(2)+A^(3)+……..A^(110) is equal to