a=3, b=7, c=5, d=3

6 (3a) Define: Show work on pages that follow, numberd according to instructions, and record answers down on this page. 1 (i) [a b] EMtrx 2,2, 18) A [a b] = 1 1 (ii) Prove that: A E Lnr | Mtrx 2,2, 18 ) , Polz ( R ) ) 1 (iii) r (1 ) = Lsp 1 (iv) dim Ker(A)) =. 1 (v) Im( A ) = Lsp 1 (vi) dim Im(A)) =