3) (A 2) Using Question 1, (a) i - find (A>10), (b) explain the diagonal matrix of A. In matrix A, (c) find AC,2)-= A(:,5). (d) find z -complex (A(28), A(35)) and answer following questions (i) abs(z), (ii) sign(z) and (iii) conj(z) 3) (A 2) Using Question 1, (a) i - find (A>10), (b) explain the diagonal matrix of A. In matrix A, (c) find AC,2)-= A(:,5). (d) find z -complex (A(28), A(35)) and answer following questions (i) abs(z), (ii) sign(z) and (iii) conj(z)