" If "A!=A^(2)=I" then "det(1+A)=

If A=I then det(I+A)=

" If "A=" diag "(4,2,1)" then det "A" is equal to " ......

" If "A=" diag "(4,2,1)" then det "A" is equal to " ......

Consider the following statements : 1. If det A = 0, then det (adj A) = 0 2. If A is non-singular, the det(A^(-1)) = (det A)^(-1)

Consider the following statements : 1. If det A = 0, then det (adJ A) = 0 2. If A is non-singular, then det (A^(-1)) = (det A)^(-1)