MatricesHard
Question
If A = [aij] is scalar matrix of order n x n such that aij = k for all i, then |A| equals -
Options
A.nk
B.n + k
C.nk
D.kn
More Matrices Questions
If A = then which of the following statement is true-...Let X and Y be two arbitrary, 3 × 3, non-zero, skew-symmetric matrices and Z be an arbitrary 3 × 3, non-zero, ...If every row of a matrix A contains p elements and its column contains q elements, then the order of A is -...If P is a 3 × 3 matrix such that PT = 2P + I, where PT is the transpose of P and I is the 3 × 3 identity matri...Let $A,B$ and C be three $2 \times 2$ matrices with real entries such that $B = (I + A)^{- 1}$ and $A + C = I$. If $BC =...