[1 2 1 0 -31 0016 -8 000 01 Exercise 4. Let A = Lo 00 0 0 a. 3 b. 1 c. 2 d. None of the mentioned Exercise 5. Let A be a 7 x 10 matrix. If Nullity(A) = 4, then the rank of A is: a. 3 b. 6 c. 7 d. None of the mentioned . Then Nullity of A is:

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