Question

The rank of a unit matrix of order 3

Answer 1

Let us take an indentity matrix or unit matrix of order 3×3. We can see that it is an Echelon Form or triangular Form . Now we know that the number of non zero rows of the reduced echelon form is the rank of the matrix. In our case non zero rows are 3 hence rank of matrix is = 3.

.

.

.

plzz mark it as the brainliest answer!!!

Answer 2

Answer:

The rank of Identity matrix of 0rder 3× 3 is