Find the rank of the matrix given below.
(i)

(ii)

(iii)

(vi)


(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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