The matrix which do have an inverse by solving it, is classified as
In Gaussian reduction procedure, row operations are performed to transform matrix A into
In adjacency matrix, each node has one row and
If AB exists, then ( AB )-1is
In Gaussian reduction procedure, matrix A is augmented with an identity (mxm) as
Result of inverse will be one only when quantity b is multiplied by
There are 30 people in a group. If all shake hands with one another , how many handshakes are possible