Home
Class 12
MATHS
If A=[(0,1,2),(1,2,3),(3,1,1)], then the...

If `A=[(0,1,2),(1,2,3),(3,1,1)]`, then the sum of the all the diagonal entries of `A^(-1)` is

A

2

B

3

C

`-3`

D

4

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Similar Questions

Explore conceptually related problems

If A[(1,2,2),(-2,-1,-1),(1,-4,-4)] , then the sum of the elements of A^(-1) is...a)0 b)1 c)-1 d) Cannot be found

Let A = [(1,0,0), (2,1,0), (3,2,1)], and U_1, U_2 and U_3 are columns of a 3 xx 3 matrix U . If column matrices U_1, U_2 and U_3 satisfy AU_1 = [(1),(0),(0)], AU_2 = [(2),(3),(0)], AU_3 = [(2),(3),(1)] then the sum of the elements of the matrix U^(-1) is

The inverse matrix of A=[(0,1,2),(1,2,3),(3,1,1)] is

If A=[{:(1, 1, 1),(1, 2, "-3"),(2,"-1",3):}] , then adj A is

Let M be a 3xx3 matrix satisfying M[[0], [1], [0]]=M[[1], [-1], [0]]=[[1], [1], [-1]] , and M[[1], [1], [1]]=[[0], [0], [12]] Then the sum of the diagonal entries of M is _________.

If A=[{:(1,0," 0"),(3, 3," 0"),(5,2,-1):}] then, adj A is

If A=[(2,2),(-3,2)], B=[(0,-1),(1,0)] then (B^(-1)A^(-1))^(-1) is equal to