RANK OF 3 BY 3 MATRIX PRACTICE PROBLEMS

Find the rank of the matrix given below.

(i)

(ii)

(iii)

(vi)

Solutions

(i)

Solution :

Number of non zero rows are 2, so ρ(A)  =  2.

(ii)

Solution :

Number of non zero row is 1, so ρ(A)  =  1.

(vi)

Solution :

The number of non zero rows are 2. So ρ(A)  =  2.

(v)

Solution :

Number of non zero rows are 3, so ρ(A)  =  3.

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