Let M be a `3xx3` matrix satisfying `M[{:(0),(1),(0):}]=[{:(-1),(2),(3):}],M[{:(1),(-1),(0):}]=[{:(1),(1),(1):}]=[{:(0),(0),(12):}]` then the sum of the diagonal entries of M is

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

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

Let M be a 3xx3 matrix satisfying M |{:(,0),(,1),(,0):}|=|{:(,-1),(,2),(,3):}|, M|{:(,1),(,-1),(,0):}|=|{:(,1),(,1),(,-1):}| and and M|{:(,1),(,1),(,1):}|= |{:(,0),(,0),(,12):}| Then the sum of the diagonal entries of M 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 _________.

Let M be a 3xx3 matrix satisfying M[[0], [1] ,[0]]=[[-1], [2], [3]] , 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 _________.

Let M be a 3xx3 matrix satisfying M[[0], [1] ,[0]]=[[-1], [2], [3]] , 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 _________.

Let M be a 3xx3 matrix satisfying M[[0], [1] ,[0]]=[[-1], [2], [3]] , 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 _________.