Write `[{:(2,1,3):}]+[{:(0,0,0):}]` as a single matrix.

Write [{:(0),(1),(-1):}]+[{:(-1),(1),(0):}] as a single matrix.

Write [{:(-1,2),(1,-2),(3,-1):}]+[{:(0,1),(-1,0),(-2,1):}] as a single matrix

Write [{:(3,9,0),(1,8,2):}]+[{:(4,0,2),(7,1,4):}] as a single matrix.

The matrix A=[{:(1,0,0),(0,2,0),(0,0,3):}] is: a) scalar matrix b) symmetric matrix c) skew symmetric matrix d) none f these

The matrix A=[{:(0,0,2),(0,2,0),(2,0,0):}] is: a) scalar matrix b) diagonal matrix c) square matrix d) none of these

Consider the following statements in respect of the matrix A=[{:(0,1,2),(-1,0,-3),(-2,3,0):}] 1. The matrix A is skew-symmetric. 2. The matrix A is symmetric. 3. The matrix A is invertible. Which of the above statements is/are correct ?

Consider the following statements in respect of the matrix A=[{:(0,1,2),(-1,0,-3),(-2,3,0):}] I. The matrix A is skew symmetric II. The matrix A is symmetric III. The matrix A is invertible Which of the above statements is/are correct ?

For what value of x , the matrix A=[{:(0,1,-2),(-1,0,3),(x,-3,0):}] is skew -symmetric matrix ?

[(1, 7, -3), (0, 2, 4), (0, 0, 7)] is a ___ matrix.

Let I = [{:(1, 0, 0),(0 ,1, 0),(0,0,1):}] and P = [{:(1, 0, 0),(0 ,-1, 0),(0,0,-2):}] . Then the matrix p^(3) + 2P^(2) is equal to